DOCSLIB.ORG

Immune-Related Genes of Megalurothrips Usitatus (Bagrall) Against Beauveria Brongniartii and Akanthomyces Attenuatus Identified Using RNA Sequencing

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Immune-Related Genes of Megalurothrips Usitatus (Bagrall) Against Beauveria Brongniartii and Akanthomyces Attenuatus Identified Using RNA Sequencing ORIGINAL RESEARCH published: 11 August 2021 doi: 10.3389/fphys.2021.671599 Immune-Related Genes of Megalurothrips usitatus (Bagrall) Against Beauveria brongniartii and Akanthomyces attenuatus Identified Using RNA Sequencing Yueyin Chen 1, Bo Yang 2, Zhaoyang Li 1, Yang Yue 1, Qingheng Tian 3, Weiyi Chen 1, Shaukat Ali 1* and Jianhui Wu 1* 1 Key Laboratory of Bio-Pesticide Innovation and Application, Engineering Research Center of Biological Control, College of Plant Protection, South China Agricultural University, Guangzhou, China, 2 Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China, 3 Key Laboratory of Integrated Pest Management on Tropical Crops, Ministry of Agriculture, Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China Megalurothrips usitatus (Bagrall) is an important pest of legumes worldwide, causing Edited by: great economic loss every year. Beauveria brongniartii and Akanthomyces attenuatus Senthil-Nathan Sengottayan, Manonmaniam Sundaranar have shown considerable pathogenicity against M. usitatus in our previous studies. The University, India medial lethal concentration (LC50) and the sublethal lethal concentration (LC25) of B. Reviewed by: brongniartii isolate SB010 against M. usitatus were 8.38 × 105 and 1.73 × 105 conidia Ali R. Bandani, −1 University of Tehran, Iran mL , respectively, whereas those of A. attenuatus isolate SCAUDCL-53 against M. Zhengfei Wang, usitatus were 4.37 × 105 and 2.97 × 104 conidia mL−1, respectively. This study reports Yancheng Teachers University, China the transcriptome-based explanation of the stress responses of M. usitatus following *Correspondence: the application of B. brongniartii and A. attenuatus. The analysis of the transcriptomic Shaukat Ali [email protected] data revealed the expression of 254, 207, 195, and 234 immunity-related unigenes Jianhui Wu by M. usitatus in response to B. brongniartii LC50 (SB1), B. brongniartii LC25 (SB2), [email protected] A. attenuatus LC50 (V1), and A. attenuatus LC25 (V2), respectively. The biological Specialty section: function and metabolic pathway analyses showed that these unigenes were mainly This article was submitted to related to pattern recognition receptors, information transduction factors, and reaction Invertebrate Physiology, a section of the journal factors, such as scavenger receptor, cytochrome b5, cuticle protein, lysozyme, and Frontiers in Physiology serine protease. Received: 24 February 2021 Keywords: Megalurothrips usitatus (Bagrall), Beauveria brongniartii, Akanthomyces attenuatus, transcriptome, Accepted: 12 July 2021 immune-related genes Published: 11 August 2021 Citation: Chen Y, Yang B, Li Z, Yue Y, Tian Q, INTRODUCTION Chen W, Ali S and Wu J (2021) Immune-Related Genes of Megalurothrips usitatus (Bagnall), belonging to the suborder Thysanoptera, is a pest that is a major Megalurothrips usitatus (Bagrall) threat to legumes (Du et al., 2019; Wang et al., 2019; Seetharamu et al., 2020). The flowering Against Beauveria brongniartii and Akanthomyces attenuatus Identified period of crops is particularly vulnerable to damage by M. usitatus, which causes huge economic Using RNA Sequencing. losses to crops due to the deformity of and scars on petals and fruits (Zhang et al., 2007; Tang Front. Physiol. 12:671599. et al., 2015). Chemical control has long been the most preferred method of pest control; however, doi: 10.3389/fphys.2021.671599 thrips are particularly difficult to control with insecticides because they hide in small spaces on Frontiers in Physiology | www.frontiersin.org 1 August 2021 | Volume 12 | Article 671599 Chen et al. Immune Response of M. usitatus to Entomopathogenic Fungi plants and quickly develop resistance to insecticides. Fungus Culture and Preparation of Conidial Furthermore, the excessive use of pesticides results in the Suspension development of pesticide residues in cowpea, which seriously The tested strains (i.e., SB010 and SCAUDCL-53) were obtained harms the development of the cowpea industry (Gao et al., from the Engineering Research Center of Biological Control, 2012, 2018; Fang et al., 2016; Liu et al., 2020). Therefore, it South China Agricultural University, China. is necessary to find more environmentally friendly measures The strains were cultured on the potato dextrose agar plates for the management of M. usitatus (Huang et al., 2020). for 7 days under laboratory conditions. A sterile cell scraper was Entomopathogenic fungi can cause diseases in insects. used to scrape the surface of the mycelium into sterile deionized At present, there are about 90 genera and more than 750 water with 0.05% Tween 80 to obtain the conidia, which were species of fungi known to cause disease, which are classified counted with a hemocytometer (Qian Yihua Glass Instruments as Chytridiomycota, Ascomycota, Basidiomycota, and the Co. Ltd., China.) under a compound microscope (Ningbo subphylum Entomophthoromycotina. These mainly include Shunning Instruments Co. Ltd., China) at 40× magnification to Beauveria bassiana (Balsamo) Vuillemin, Metarhizium anisopliae calibrate a conidial suspension of 1 × 108 conidia mL−1. The (Metschnikoff), Isaria fumosoroseus (Wize), Lecanicillium lecanii lower conidial concentrations (1 × 107, 1 × 106, 1 × 105, and (Zimmerman), Aschersonia spp., Entomophthorales spp., 1 × 104 conidia mL−1) for the bioassay studies were prepared by Nomuraea rileyi (Farlow) Samson, etc. (Fan, 2011; Lei et al., serial dilution. 2016; Ma et al., 2016; Rajula et al., 2020). Beauveria spp. are the most widely used biological control agent against many pests, and Akanthomyces attenuatus has been extensively studied Bioassay Method in the control of pests, such as mosquitoes, aphids, whitefly, Centrifuge tube residual bioassays were carried out to evaluate and thrips (Montalva et al., 2017; Yu et al., 2019; Amobonye the toxicity of B. brongniartii isolate SB010 and A. attenuatus et al., 2020; Woo et al., 2020). Yang et al. (2020) found that isolate SCAUDCL-53 against the M. usitatus adults under conidial suspensions, as well as crude protein extracts of laboratory conditions (Yang et al., 2020). Both the bean pods Beauveria brongniartii isolate SB010 and A. attenuatus isolate (1 cm length) and centrifuge tubes (9 mL) were individually SCAUDCL-53, were pathogenic against M. usitatus. immersed in conidial suspensions of different concentrations When defending against external influences, insects depend (1 × 108, 1 × 107, 1 × 106, 1 × 105, and 1 × 104 conidia exclusively on their strong and complex innate immunity (i.e., mL−1) for 2 h. Bean pods and centrifuge tubes treated with cellular and humoral immunity) because they lack acquired sterile ddH2O containing Tween 80 served as a control. After immunity (Kleino and Silverman, 2014). For example, insect drying under sterilized conditions, the bean pods were placed body fat, cuticle protein, and serine protease play a role in in centrifuge tubes, and M. usitatus adults (i.e., 20 individuals) the insect response to pathogenic fungi (Chen et al., 2012; were released into the centrifuge tubes. Each tube was sealed Lee et al., 2018). However, the mechanisms through which M. with a cotton plug and kept at 26 ± 6◦C, 70 ± 5% R.H., and usitatus regulates its immune response when defending against 16:8 h (L:D) photoperiod in a climate control chamber. Each pathogenic fungi are currently unclear, and no previous studies, treatment was set up with four replicates. The mortality data to the best of our knowledge, have been conducted on its were percent-transformed and subjected to the probit analysis immune system. to calculate the LC50 and LC25 of the two strains. The LC25 To better control M. usitatus using B. brongniartii isolate and LC50 of B. brongniartii and A. attenuatus were prepared for SB010 and A. attenuatus isolate SCAUDCL-53, understanding later experiments. the immune responses of M. usitatus against these two fungi is necessary. Therefore, in this study, M. usitatus was exposed to the sublethal lethal concentration (LC25) and medial lethal Treatment With B. brongniartii and A. concentration (LC50) of SB010 and SCAUDCL-53, respectively, attenuates followed by the RNA sequencing analysis to explore the immune Bean pods (1 cm length) and centrifuge tubes (9 mL) were response of M. usitatus to the application of B. brongniartii and immersed in the LC50 and LC25 of B. brongniartii and A. A. attenuatus. attenuatus for 2 h, respectively, followed by drying under sterilized conditions. Bean pods and centrifuge tubes treated MATERIALS AND METHODS with sterile ddH2O containing Tween 80 served as a control. After drying, bean pods were placed in centrifuge tubes, and Insect Cultures M. usitatus adults (i.e., 100 individuals) were released into the Adults of M. usitatus were collected from a cowpea field at centrifuge tubes. Each tube was sealed with a cotton plug and the South China Agricultural University, Guangzhou, China. kept at 26 ± 6◦C, 70 ± 5% R.H., and 16:8h (L:D) photoperiod The collected insects were subsequently reared under laboratory in a climate control chamber. Each treatment was set up with conditions by the bean pod rearing method (Espinosa et al., four replicates. The insects treated with the LC50 and LC25 of 2005). The insect colonies were kept at 26 ± 6◦C,70 ± 5% relative B. brongniartii were named as SB1 and SB2, while the insects humidity (RH), and 16:8h (light/dark) photoperiod in a climate treated with the LC50 and LC25 of A. attenuatus were named
Load more

Recommended publications
  • Cinara Cupressivora W Atson & Voegtlin, 1999 Other Scientific Names: Order and Family: Hemiptera: Aphididae Common Names: Giant Cypress Aphid; Cypress Aphid
    O R E ST E ST PE C IE S R O FIL E F P S P November 2007 Cinara cupressivora W atson & Voegtlin, 1999 Other scientific names: Order and Family: Hemiptera: Aphididae Common names: giant cypress aphid; cypress aphid Cinara cupressivora is a significant pest of Cupressaceae species and has caused serious damage to naturally regenerating and planted forests in Africa, Europe, Latin America and the Caribbean and the Near East. It is believed to have originated on Cupressus sempervirens from eastern Greece to just south of the Caspian Sea (Watson et al., 1999). This pest has been recognized as a separate species for only a short time (Watson et al., 1999) and much of the information on its biology and ecology has been reported under the name Cinara cupressi. Cypress aphids (Photos: Bugwood.org – W .M . Ciesla, Forest Health M anagement International (left, centre); J.D. W ard, USDA Forest Service (right)) DISTRIBUTION Native: eastern Greece to just south of the Caspian Sea Introduced: Africa: Burundi (1988), Democratic Republic of Congo, Ethiopia (2004), Kenya (1990), Malawi (1986), Mauritius (1999), Morocco, Rwanda (1989), South Africa (1993), Uganda (1989), United Republic of Tanzania (1988), Zambia (1985), Zimbabwe (1989) Europe: France, Italy, Spain, United Kingdom Latin America and Caribbean: Chile (2003), Colombia Near East: Jordan, Syria, Turkey, Yemen IDENTIFICATION Giant conifer aphid adults are typically 2-5 mm in length, dark brown in colour with long legs (Ciesla, 2003a). Their bodies are sometimes covered with a powdery wax. They typically occur in colonies of 20-80 adults and nymphs on the branches of host trees (Ciesla, 1991).
    [Show full text]
  • Mycoparasites and New <I>Fusarium</I>
    ISSN (print) 0093-4666 © 2010. Mycotaxon, Ltd. ISSN (online) 2154-8889 MYCOTAXON doi: 10.5248/114.179 Volume 114, pp. 179–191 October–December 2010 Sphaerodes mycoparasites and new Fusarium hosts for S. mycoparasitica Vladimir Vujanovic* &Yit Kheng Goh *[email protected] & [email protected] Department of Food and Bioproduct Sciences, University of Saskatchewan Saskatoon, SK, S7N 5A8 Canada Abstract — A comprehensive key, based on asexual stages, contact mycoparasitic structures, parasite/host relations, and host ranges, is proposed to distinguish those species of Sphaerodes that are biotrophic mycoparasites of Fusarium: S. mycoparasitica, S. quadrangularis, and S. retispora. This is also the first report of S. mycoparasitica as a biotrophic mycoparasite on Fusarium culmorum and F. equiseti in addition to its other reported hosts (F. avenaceum, F. graminearum, and F. oxysporum). In slide culture assays, S. mycoparasitica acted as a contact mycoparasite of F. culmorum, and F. equiseti producing hook-like attachment structures. Fluorescent and confocal laser scanning microscopy showed that S. mycoparasitica is an intracellular mycoparasite of F. equiseti but not of F. culmorum. All three mycoparasitic Sphaerodes species were observed to produce asexual (anamorphic) stages when challenged with Fusarium. Furthermore, a phylogenetic tree, based on (large subunit) LSU rDNA sequences, depicted closer relatedness to one another of these Fusarium-specific Sphaerodes taxa than to the non- mycoparasitic S. compressa, S. fimicola, and S. singaporensis. Key words — ascomycete, coevolution Introduction Mycoparasitism refers to the parasitic interactions between one fungus (parasite) and another fungus (host). These relationships can be categorized as either necrotrophic or biotrophic (Boosalis 1964; Butler 1957).
    [Show full text]
  • Cinara Cupressivora
    62 Global review of forest pests and diseases Cinara cupressivora Order and Family: Hemiptera: Aphididae Common names: giant cypress aphid; cypress aphid Cinara cupressivora Watson & Voegtlin, 1999 is a significant pest of Cupressaceae species and has caused serious damage to naturally regenerated and planted forests in Africa, Europe, Latin America and the Caribbean and the Near East. It is believed to have originated on Cupressus sempervirens from eastern Greece to just south of the Caspian Sea (Watson et al., 1999). This pest has been recognized as a separate species for only a short time (Watson et al., 1999) and much of the information on its biology and ecology has been reported under the name Cinara cupressi. BUGWOOD.ORG/W.M. CIESLA/3948001 BUGWOOD.ORG/W.M. CIESLA/3948002 BUGWOOD.ORG/W.M. BUGWOOD.ORG/J.D. WARD/2912011 Cypress aphids DISTRIBUTION Native: Europe and the Near East: eastern Greece to Islamic Republic of Iran Introduced: Africa: Burundi (1988), Democratic Republic of Congo, Ethiopia (2004), Kenya (1990), Malawi (1986), Mauritius (1999), Morocco, Rwanda (1989), South Africa (1993), Uganda (1989), United Republic of Tanzania (1988), Zambia (1985), Zimbabwe (1989) Europe: France, Italy, Spain, United Kingdom Latin America and Caribbean: Chile (2003), Colombia Near East: Jordan, the Syrian Arab Republic, Turkey, Yemen IDENTIFICATION Giant conifer aphid adults are typically 2 to 5 mm in length, dark brown in colour with long legs (Ciesla, 2003a). Their bodies are sometimes covered with a powdery wax. They typically occur in colonies of 20 to 80 adults and nymphs on the branches of host trees (Ciesla, 1991).
    [Show full text]
  • Antifungal Activity of Beauveria Bassiana Endophyte Against Botrytis Cinerea in Two Solanaceae Crops
    microorganisms Article Antifungal Activity of Beauveria bassiana Endophyte against Botrytis cinerea in Two Solanaceae Crops Lorena Barra-Bucarei 1,2,* , Andrés France Iglesias 1, Macarena Gerding González 2, Gonzalo Silva Aguayo 2, Jorge Carrasco-Fernández 1, Jean Franco Castro 1 and Javiera Ortiz Campos 1,2 1 Instituto de Investigaciones Agropecuarias (INIA) Quilamapu, Av. Vicente Méndez 515, Chillán 3800062, Chile; [email protected] (A.F.I.); [email protected] (J.C.-F.); [email protected] (J.F.C.); javiera.ortiz@endofitos.com (J.O.C.) 2 Facultad de Agronomía, Universidad de Concepción, Vicente Mendez 595, Chillán 3812120, Chile; [email protected] (M.G.G.); [email protected] (G.S.A.) * Correspondence: [email protected] Received: 11 December 2019; Accepted: 28 December 2019; Published: 31 December 2019 Abstract: Botrytis cinerea causes substantial losses in tomato and chili pepper crops worldwide. Endophytes have shown the potential for the biological control of diseases. The colonization ability of native endophyte strains of Beauveria bassiana and their antifungal effect against B. cinerea were evaluated in Solanaceae crops. Root drenching with B. bassiana was applied, and endophytic colonization capacity in roots, stems, and leaves was determined. The antagonistic activity was evaluated using in vitro dual culture and also plants by drenching the endophyte on the root and by pathogen inoculation in the leaves. Ten native strains were endophytes of tomato, and eight were endophytes of chili pepper. All strains showed significant in vitro antagonism against B. cinerea (30–36%). A high antifungal effect was observed, and strains RGM547 and RGM644 showed the lowest percentage of the surface affected by the pathogen.
    [Show full text]
  • The Msn2 Transcription Factor Regulates Acaricidal Virulence in the Fungal Pathogen Beauveria Bassiana
    ORIGINAL RESEARCH published: 20 July 2021 doi: 10.3389/fcimb.2021.690731 The Msn2 Transcription Factor Regulates Acaricidal Virulence in the Fungal Pathogen Beauveria bassiana Elen R. Muniz 1,2,Ca´ rita S. Ribeiro-Silva 2, Walqu´ıria Arruda 3, Nemat O. Keyhani 4 and E´ verton K. K. Fernandes 1,2* 1 Escola de Veterina´ ria e Zootecnia, Universidade Federal de Goia´ s, Goiaˆ nia, Brazil, 2 Instituto de Patologia Tropical e Sau´ de Pu´ blica, Universidade Federal de Goia´ s, Goiaˆ nia, Brazil, 3 Instituto de Cieˆ ncias Biolo´ gicas, Universidade Federal de Goia´ s, Goiaˆ nia, Brazil, 4 Department of Microbiology and Cell Science, University of Florida, Gainesville, FL, United States Beauveria bassiana holds promise as a feasible biological control agent for tick control. The B. bassiana stress–response transcription factor Msn2 is known to contribute to fungal growth, conidiogenesis, stress–response and virulence towards insects; however, little is known concerning whether Msn2 is involved in infection across Arthropoda classes. We evaluated the effects of Msn2 on B. bassiana virulence against Edited by: Rhipicephalus microplus (Acari, Ixodidae) using wild-type, targeted gene knockout Guilhem Janbon, (DBbmsn2) and complemented mutant (DBbmsn2/Bbmsn2) strains. Reproductive Institut Pasteur, France parameters of R. microplus engorged females treated topically or by an intra-hemocoel Reviewed by: injection of conidial suspensions were assessed. Treated cuticles of engorged females Almudena Ortiz-Urquiza, Swansea University, were analyzed by microscopy, and proteolytic activity of B. bassiana on cuticles was United Kingdom assessed. Topically treated engorged females showed high mean larval hatching (>84%) Hokyoung Son, D D Seoul National University, in control and Bbmsn2 treatments, whereas treatment with the wild-type or Bbmsn2/ South Korea Bbmsn2 strains resulted in significantly decreased (lowered egg viability) larval hatching.
    [Show full text]
  • Effect of Beauveria Bassiana Fungal Infection on Survival and Feeding
    Article Effect of Beauveria bassiana Fungal Infection on Survival and Feeding Behavior of Pine-Tree Lappet Moth (Dendrolimus pini L.) Marta Kovaˇc 1 , Nikola Lackovi´c 2 and Milan Pernek 1,* 1 Croatian Forest Research Institute, Cvjetno naselje 41, HR-10450 Jastrebarsko, Croatia; [email protected] 2 Arbofield Ltd., Mihanovi´ceva3, HR-10450 Jastrebarsko, Croatia; [email protected] * Correspondence: [email protected]; Tel.: +385-98-324-512 Received: 30 July 2020; Accepted: 4 September 2020; Published: 9 September 2020 Abstract: Research highlights: The pine-tree lappet moth, Dendrolimus pini, can cause serious needle defoliation on pines with outbreaks occurring over large geographical areas. Under laboratory conditions, the promising potential of the naturally occurring entomopathogenic fungus Beauveria bassiana was tested against D. pini larvae as a biological control method. Background and objectives: The aim of this study was to investigate the most effective concentration and treatment dose of B. bassiana conidial suspension and how it affected the survival and feeding behavior of the pest. Materials and methods: The first experiment applied the fungal suspension directly on the back of selected larvae, and in the second experiment, sporulating cadavers obtained in the first experiment were placed into Petri dishes with healthy individuals. Different doses per larvae [µL] and spore suspension concentration [spores/µL]) were used. The second experiment was designed to investigate the horizontal transmission of fungi by exposing individual caterpillars to a cadaver covered in B. bassiana mycelia. Mortality rates were analyzed by Chi-squared tests using absolute values for total mortality and B. bassiana- attributed mortality. The lethal time and feeding-disruption speed were analyzed with parametric and non-parametric tests with the aim to determine whether statistically significant differences were observed between treatments.
    [Show full text]
  • 1 Naming Names: the Etymology of Fungal Entomopathogens
    Research Signpost 37/661 (2), Fort P.O., Trivandrum-695 023, Kerala, India Use of Entomopathogenic Fungi in Biological Pest Management, 2007: 1-11 ISBN: 978-81-308-0192-6 Editors: Sunday Ekesi and Nguya K. Maniania Naming names: The etymology 1 of fungal entomopathogens Fernando E. Vega Sustainable Perennial Crops Laboratory, USDA, ARS, Bldg. 011A, BARC-W Beltsville Maryland 20705, USA Abstract This chapter introduces the reader to the etymology of the generic names given to 26 fungal entomopathogens. Possessing some knowledge on how a name originates sometimes provides us with information on a fungal characteristic that might help us identify the organism, e.g., Conidiobolus, Cordyceps, Pandora, Regiocrella, Orthomyces, etc. In other cases, the name won’t tell us what the fungus looks like, but serves to honor those for whom the fungus was named, e.g., Aschersonia, Batkoa, Beauveria, Nomuraea, Strongwellsea, etc. Correspondence/Reprint request: Dr. Fernando E. Vega, Sustainable Perennial Crops Laboratory, USDA ARS, Bldg. 011A, BARC-W, Beltsville, Maryland 20705, USA. E-mail: [email protected] 2 Fernando E. Vega 1. Introduction One interesting aspect in the business of science is the naming of taxonomic species: the reasons why organisms are baptized with a certain name, which might or might not change as science progresses. Related to this topic, the scientific illustrator Louis C. C. Krieger (1873-1940) [1] self-published an eight- page long article in 1924, entitled “The millennium of systematic mycology: a phantasy” where the main character is a “... systematic mycologist, who, from too much “digging” in the mighty “scrapheap” of synonymy, fell into a deep coma.” As he lies in this state, he dreams about being in Heaven, and unable to leave behind his collecting habits, picks up an amanita and upon examining it finds a small capsule hidden within it.
    [Show full text]
  • Characterization of Beauveria Bassiana (Ascomycota: Hypocreales) Isolates Associated with Agrilus Planipennis (Coleoptera: Buprestidae) Populations in Michigan
    Biological Control 54 (2010) 135–140 Contents lists available at ScienceDirect Biological Control journal homepage: www.elsevier.com/locate/ybcon Characterization of Beauveria bassiana (Ascomycota: Hypocreales) isolates associated with Agrilus planipennis (Coleoptera: Buprestidae) populations in Michigan Louela A. Castrillo a,*, Leah S. Bauer b,c, Houping Liu c,1, Michael H. Griggs d, John D. Vandenberg d a Department of Entomology, Cornell University, Ithaca, NY 14853, USA b USDA Forest Service, Northern Research Station, East Lansing, MI 48823, USA c Department of Entomology, Michigan State University, East Lansing, MI 48824, USA d USDA ARS, Robert W. Holley Center for Agriculture and Health, Ithaca, NY 14853, USA article info abstract Article history: Earlier research in Michigan on fungal entomopathogens of the emerald ash borer (EAB), a major invasive Received 22 December 2009 pest of ash trees, resulted in the isolation of Beauveria bassiana from late-instar larvae and pre-pupae. In Accepted 12 April 2010 the present study, some of these isolates were characterized and compared to ash bark- and soil-derived Available online 22 April 2010 isolates to determine their reservoir and means of infecting immature EAB. Genetic characterization using seven microsatellite markers showed that most of the EAB-derived strains clustered with bark- Keywords: or soil-derived strains collected from the same site, indicating the indigenous nature of most strains iso- Agrilus planipennis lated from EAB. More soil samples contained B. bassiana colony forming units than bark samples, suggest- Beauveria bassiana ing that soil serves as the primary reservoir for fungal inocula. These inocula may be carried by rain Fraxinus Entomopathogenic fungus splash and air current from the soil to the lower tree trunk where EAB may become infected.
    [Show full text]
  • Establishment of the Fungal Entomopathogen Beauveria Bassiana As an Endophyte in Sugarcane, Saccharum Officinarum
    Fungal Ecology 35 (2018) 70e77 Contents lists available at ScienceDirect Fungal Ecology journal homepage: www.elsevier.com/locate/funeco Establishment of the fungal entomopathogen Beauveria bassiana as an endophyte in sugarcane, Saccharum officinarum * Trust Kasambala Donga a, b, Fernando E. Vega c, Ingeborg Klingen d, a Department of Plant Sciences, Norwegian University of Life Sciences (NMBU), Campus ÅS, Universitetstunet 3, 1433, Ås, Norway b Lilongwe University of Agriculture and Natural Resources (LUANAR), P.O. Box 219, Lilongwe, Malawi c Sustainable Perennial Crops Laboratory, United States Department of Agriculture (USDA), Agricultural Research Service, Beltsville, MD, 20705, USA d Division for Biotechnology and Plant Health, Norwegian Institute of Bioeconomy Research (NIBIO), Høgskoleveien 7, 1431, Ås, Norway article info abstract Article history: We investigated the ability of the fungal entomopathogen Beauveria bassiana strain GHA to endo- Received 18 April 2018 phytically colonize sugarcane (Saccharum officinarum) and its impact on plant growth. We used foliar Received in revised form spray, stem injection, and soil drench inoculation methods. All three inoculation methods resulted in 18 June 2018 B. bassiana colonizing sugarcane tissues. Extent of fungal colonization differed significantly with inoc- Accepted 28 June 2018 ulation method (c2 ¼ 20.112, d. f. ¼ 2, p < 0.001), and stem injection showed the highest colonization level followed by foliar spray and root drench. Extent of fungal colonization differed significantly with Corresponding Editor: James White Jr. plant part (c2 ¼ 33.072, d. f. ¼ 5, p < 0.001); stem injection resulted in B. bassiana colonization of the stem and to some extent leaves; foliar spray resulted in colonization of leaves and to some extent, the stem; Keywords: and soil drench resulted in colonization of roots and to some extent the stem.
    [Show full text]
  • BEAUVERIA and OTHER FUNGI: TOOLS to HELP MANAGE COFFEE BERRY BORER, NOT MAGIC BULLETS Stefan T
    BEAUVERIA AND OTHER FUNGI: TOOLS TO HELP MANAGE COFFEE BERRY BORER, NOT MAGIC BULLETS Stefan T. Jaronski USDA Agricultural Research Service Northern Plains Research Laboratory Sidney, Montana Mention of trade names or commercial products in this publication is solely for the purpose of providing specific information and does not imply recommendation or endorsement by the U.S. Department of Agriculture. USDA is an equal opportunity provider and employer. 1 What I hope to tell you today 1. Some basic information about these fungi 2. Issues facing successful use of fungi 3. Thoughts about usefulness of Beauveria for CBB management (vs. control!) 2 Entomopathogenic Ascomycetes / Hyphomycetes Our Cast of Characters Beauveria bassiana & B. brongniartti Metarhizium anisopliae & M. acridum Lecanicillium longisporium, L muscarium, L sp. (Verticillium lecanii) Hirsutella thompsoni Isaria (Paecilomyces) fumosorosea & I. farinosus Nomuraea rileyi Aschersonia aleyrodis These fungi have been commercialized somewhere, at sometime. This is the primary “cast of characters” While historically all these fungi were classed in the Deuteromycetes, the Fungi Imperfecti, recent molecular tools have allowed scientist to associate these species with “perfect” stages all are the imperfect, assexual stages of Ascomycetes. My comments today will be generally restricted to the fungus Beauveria bassiana (in white) because that is the one in which you are most interested. 3 Mycoinsecticides: 110 active, commercial products in 2006 L. longisporium L. muscarium H. thompsonii 3% I. farinosus 2% 1% 1% I. fumosorosea 6% M. acridum 3% B. bassiana 40% M. anisopliae 39% B. brongniartii 5% Faria and Wraight Biological Control 43 (2007) 237–256 These fungi have been commercialized in a lot of countries and there are a lot of fungal products.
    [Show full text]
  • Engyodontium Album, a New Species of Microscopic Fungi for Slovakia and Its Keratinolytic Activity
    Biologia, Bratislava, 59/1: 17—18, 2004 FLORISTICAL NOTES Engyodontium album, a new species of microscopic fungi for Slovakia and its keratinolytic activity Alexandra Šimonovičová1, Miroslava Gódyová1 & Jiří Kunert2 1Comenius University, Faculty of Natural Science, Department of Soil Science, Mlynská dolina, SK- 84215 Bratislava, Slovakia; tel.: ++421-2-60296587, e-mail: [email protected] 2Department of Biology, Faculty of Medicine, Palacký University, Hněvotínská 3,CZ-77515 Olomouc, Czech Republic; tel.: ++420-585632153, e-mail: [email protected] ŠIMONOVIČOVÁ,A.,GÓDYOVÁ,M.&KUNERT,J.:Engyodontium album,a new species of microscopic fungi for Slovakia and its keratinolytic activity. Biologia, Bratislava, 59: 17—18, 2003; ISSN 0006-3088. The paper describes macro and micromorphological characteristics of Engy- odontium album (LIMBER) DE HOOG (Hyphomycetes) and its keratinolytic activity on children hair. This species of microscopic fungi, new for Slovakia, was isolated from a moist and damaged wall in a historical building from 17th century in Bratislava, where the collection of some objects of primitive African art had been arranged. Key words: microscopic fungi, Hyphomycetes, Engyodontium album,kerati- nolytic activity. The species Engyodontium album was isolated from damaged and moist wall in the building originated in 17th century. In this building, the collection of some objects of primitive African art (textile material, wooden and serpentine sculptures) collected from dif- ferent parts of Africa (Zimbabwe, Zaire, Zambezi val- ley) was arranged. The samples of damaged wall were taken by wip- ing with sterile cotton swab and transferred onto Petri dishes with media. The species Engyodontium album was isolated from a mixed culture on Sabouraud Mal- tose agar.
    [Show full text]
  • BUCKTON, 1881) (Hemiptera, Aphidoidea
    POLISH JOURNAL OF ENTOMOLOGY POLSKIE P I S M O ENTOMOLOGICZNE VOL. 76 : 107-113 Bydgoszcz 30 June 2007 Bionomy and ecology of Cinara cupressi (BUCKTON , 1881) (Hemiptera, Aphidoidea) ROMA DURAK *, B EATA BOROWIAK –SOBKOWIAK **, M ARZENA SOCHA * *University of Rzeszów, Department of Zoology, ul. Cegielniania 12, 35 – 959 Rzeszów, Poland, e-mail: [email protected] **Agricultural University of Poznan, Department of Entomology ul. Dąbrowskiego 159, 60 – 594 Pozna ń, Poland ABSTRACT. The bionomy and ecology of Cinara cupressi on Thuja occidentalis was studied under insectary and controlled conditions. The number of generations per year was determined, as well as the lifespan of a generation, fecundity of the females and demographic characteristics of the population. KEY WORDS : Hemiptera, Aphidoidea , Cinara sp ., ornamental shrubs. INTRODUCTION Cinara cupressi (BUCKTON , 1881) is a holocyclic species of aphids, feeding on plants from Cupressaceae family, mainly Cupressus lusitanica, Cupressus macrocarpa, C. sempervirens, Chamaecyparis lawsoniana, Thuja occidentalis and Juniperus sp. It has also been encountered on Thuja orientalis (BLACKMAN & EASTOP 1988). The geographical range of this species covers North America (from where it is believed to have originated) (WATSON et al. 1999), Southwest Asia, India and Europe. Also, it has been introduced to Africa (BLACKMAN & EASTOP 1988, CIESLA 1991). Until the 70s, this species was considered rare in Poland and was only observed on Western Arborvitae and Eastern Juniper (SZELEGIEWICZ 1978). SOIKA and ŁABANOWSKI (2001) also claim Juniperus scopulorum and Thuja Smaragd to be host plants. Biology of this species is poorly known and it usually concerns areas with climate different than in Poland (MUSTAFA 1987, CIESLA 1991, WATSON et al.
    [Show full text]