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Asian Citrus Psyllid, Diaphorina Citri Kuwayama (Insecta: Hemiptera: Psyllidae)1 F
EENY-033 Asian Citrus Psyllid, Diaphorina citri Kuwayama (Insecta: Hemiptera: Psyllidae)1 F. W. Mead and T. R. Fasulo2 Introduction In June 1998, the insect was detected on the east coast of Florida, from Broward to St. Lucie counties, and was The Asian citrus psyllid, Diaphorina citri Kuwayama, is apparently limited to dooryard host plantings at the time of widely distributed in southern Asia. It is an important pest its discovery. By September 2000, this pest had spread to 31 of citrus in several countries as it is a vector of a serious Florida counties (Halbert 2001). citrus disease called greening disease or Huanglongbing. This disease is responsible for the destruction of several Diaphorina citri is often referred to as citrus psylla, but this citrus industries in Asia and Africa (Manjunath 2008). is the same common name sometimes applied to Trioza Until recently, the Asian citrus psyllid did not occur in erytreae (Del Guercio), the psyllid pest of citrus in Africa. North America or Hawaii, but was reported in Brazil, by To avoid confusion, T. erytreae should be referred to as the Costa Lima (1942) and Catling (1970). African citrus psyllid or the two-spotted citrus psyllid (the latter name is in reference to a pair of spots on the base of the abdomen in late stage nymphs). These two psyllids are the only known vectors of the etiologic agent of citrus greening disease (Huanglongbing), and are the only eco- nomically important psyllid species on citrus in the world. Six other species of Diaphorina are reported on citrus, but these are non-vector species of relatively little importance (Halbert and Manjunath 2004). -
Defence Mechanisms of Brassicaceae: Implications for Plant-Insect Interactions and Potential for Integrated Pest Management
Agron. Sustain. Dev. 30 (2010) 311–348 Available online at: c INRA, EDP Sciences, 2009 www.agronomy-journal.org DOI: 10.1051/agro/2009025 for Sustainable Development Review article Defence mechanisms of Brassicaceae: implications for plant-insect interactions and potential for integrated pest management. A review Ishita Ahuja,JensRohloff, Atle Magnar Bones* Department of Biology, Norwegian University of Science and Technology, Realfagbygget, NO-7491 Trondheim, Norway (Accepted 5 July 2009) Abstract – Brassica crops are grown worldwide for oil, food and feed purposes, and constitute a significant economic value due to their nutritional, medicinal, bioindustrial, biocontrol and crop rotation properties. Insect pests cause enormous yield and economic losses in Brassica crop production every year, and are a threat to global agriculture. In order to overcome these insect pests, Brassica species themselves use multiple defence mechanisms, which can be constitutive, inducible, induced, direct or indirect depending upon the insect or the degree of insect attack. Firstly, we give an overview of different Brassica species with the main focus on cultivated brassicas. Secondly, we describe insect pests that attack brassicas. Thirdly, we address multiple defence mechanisms, with the main focus on phytoalexins, sulphur, glucosinolates, the glucosinolate-myrosinase system and their breakdown products. In order to develop pest control strategies, it is important to study the chemical ecology, and insect behaviour. We review studies on oviposition regulation, multitrophic interactions involving feeding and host selection behaviour of parasitoids and predators of herbivores on brassicas. Regarding oviposition and trophic interactions, we outline insect oviposition behaviour, the importance of chemical stimulation, oviposition-deterring pheromones, glucosinolates, isothiocyanates, nitriles, and phytoalexins and their importance towards pest management. -
The Symphyta of the Afrotropical Region. Genus Athalia LEACH, 1817, Athalia Himantopus-Group (Insecta: Hymenoptera: Tenthredinidae: Allantinae)
© Münchner Ent. Ges., download www.biologiezentrum.at Mitt. Münch. Ent. Ges. 97 81-106 München, 31. 10. 2007 ISSN 0340-4943 The Symphyta of the Afrotropical Region. Genus Athalia LEACH, 1817, Athalia himantopus-group (Insecta: Hymenoptera: Tenthredinidae: Allantinae) Frank KOCH Abstract The Athalia himantopus-group of the sawfly family Tenthredinidae is revised, and a key is provided for the eight known Afrotropical species. The species of this group are characterised by the presence of a short and more or less truncate clypeus. Four species are re-described and four species are described as new to science, namely: Athalia erythraeana sp. n., A. flavobasalis sp. n., A. sidamoensis sp. n. and A. taitaensis sp. n. The subspecies A. himantopus truncata ENSLIN, 1914 and A. himantopus obsoleta BENSON, 1962, are interpreted as valid species - A. truncata ENSLIN stat. rev. and A. obsoleta BENSON stat. n. Athalia marginipennis Enderlein, 1920 sp. rev., which is distributed from East to southern Africa, is a valid species and is removed from synonymy with A. sjoestedti KONOW, 1907. The phenology of A. flavobasalis and A. marginipennis is discussed, based on material from a series of yellow pan trap samples collected from February 1981 to June 1983 at Munanira, Burundi. All species are figured, and their distribution and relationships are discussed. Introduction Following the revision of the endemic Afrotropical Athalia vollenhoveni species-group (KOCH 2006), this contribution deals with the A. himantopus species-group, and is a further contribution to a broader taxonomic- systematic revision of the Afrotropical Symphyta, especially the genus Athalia LEACH, 1817, the main purpose of which is to reconstruct the phylogeny and historical distribution patterns of the group. -
Annotation and Analysis of Yellow Genes in Diaphorina Citri, Vector for the Huanglongbing Disease Crissy Massimino1, Chad Vosburg1, Teresa Shippy2, Prashant S
bioRxiv preprint doi: https://doi.org/10.1101/2020.12.22.422960; this version posted December 22, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC 4.0 International license. Annotation and analysis of yellow genes in Diaphorina citri, vector for the Huanglongbing disease Crissy Massimino1, Chad Vosburg1, Teresa Shippy2, Prashant S. Hosmani3, Mirella Flores- Gonzalez3, Lukas A. Mueller3, Wayne B. Hunter4, Joshua B. Benoit5, Susan J. Brown2, Tom D’Elia1 and Surya Saha3,6 1 Indian River State College, Fort Pierce, FL 34981 2 Division of Biology, Kansas State University, Manhattan, KS 66506 3 Boyce Thompson Institute, Ithaca, NY 14853 4 USDA-ARS, U.S. Horticultural Research Laboratory, Fort Pierce, FL 34945 5 Department of Biological Sciences, University of Cincinnati, Cincinnati, OH, 45221 6 Animal and Comparative Biomedical Sciences, University of Arizona, Tucson, AZ 85721 ABSTRACT Huanglongbing (HLB), also known as citrus greening disease, is caused by the bacterium Candidatus Liberibacter asiaticus (CLas) and represents a serious threat to global citrus production. This bacteria is transmitted by the Asian citrus psyllid, Diaphorina citri (Hemiptera) and there are no effective in-planta treatments for CLas. Therefore, one strategy is to manage the psyllid population. Manual annotation of the D. citri genome can identify and characterize gene families that could serve as novel targets for psyllid control. The yellow gene family represents an excellent target as yellow genes are linked to development and immunity due to their roles in melanization. -
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microorganisms Article Label-Free Quantitative Proteomics Analysis in Susceptible and Resistant Brassica napus Cultivars Infected with Xanthomonas campestris pv. campestris Md Tabibul Islam 1,2, Bok-Rye Lee 1,3 , Van Hien La 1, Dong-Won Bae 4, Woo-Jin Jung 5 and Tae-Hwan Kim 1,* 1 Department of Animal Science, Institute of Agricultural Science and Technology, College of Agriculture & Life Science, Chonnam National University, Gwangju 61186, Korea; [email protected] (M.T.I.); [email protected] (B.-R.L.); [email protected] (V.H.L.) 2 Alson H. Smith Jr. Agricultural Research and Extension Center, School of Plant and Environmental Sciences, Virginia Tech, Winchester, VA 22602, USA 3 Asian Pear Research Institute, Chonnam National University, Gwangju 61186, Korea 4 Central Instrument Facility, Gyeongsang National University, Jinju 52828, Korea; [email protected] 5 Division of Applied Bioscience and Biotechnology, Institute of Environmentally Friendly Agriculture (IEFA), College of Agriculture and Life Science, Chonnam National University, Gwangju 61186, Korea; [email protected] * Correspondence: [email protected]; Tel.: +82-62-530-2126 Abstract: Black rot, caused by Xanthomonas campestris pv. campestris (Xcc), is the main disease of cruciferous vegetables. To characterize the resistance mechanism in the Brassica napus–Xcc pathosys- tem, Xcc-responsive proteins in susceptible (cv. Mosa) and resistant (cv. Capitol) cultivars were investigated using gel-free quantitative proteomics and analysis of gene expression. This allowed us to identify 158 and 163 differentially expressed proteins following Xcc infection in cv. Mosa and cv. Citation: Islam, M.T.; Lee, B.-R.; Capitol, respectively, and to classify them into five major categories including antioxidative systems, La, V.H.; Bae, D.-W.; Jung, W.-J.; proteolysis, photosynthesis, redox, and innate immunity. -
PANNZER 2: Annotate a Complete Proteome in Minutes!
PANNZER 2: Annotate a complete proteome in minutes! Alan J Medlar#, Petri Törönen#, Elaine Zosa, Liisa Holm* Structural Genomics Group, Institute of Biotechnology PO Box 56, 00014 University of Helsinki, Finland #These authors contributed equally *To whom correspondence should be addressed: [email protected] 1. INTRODUCTION As high-throughput sequencing has become increasingly efficient, downstream analysis has become the main bottleneck in genome sequencing projects. For example, a critical and time-consuming step is the annotation of the organism’s proteome: assigning molecular functions, involvement in biological processes and the cellular localizations of all identified protein sequences. The process of protein annotation involves classifying each protein using the Gene Ontology (GO) and selecting suitable free text descriptions, which are required for submission into sequence databases. We refer to these as GO and DE predictions, respectively. Although servers are available that perform functional annotation, none perform both GO and DE predictions concurrently, they tend to be slow and are restricted in the number of queries that can be submitted. Finally, many of the existing methods do not return an estimate of the prediction accuracy. 2. METHODS AND RESULTS The above shortcomings are remedied by PANNZER 2, an interactive web server and standalone program for protein function prediction. It is, to our knowledge, the only tool that performs both DE and GO prediction. It uses SANS-parallel [1], a high-throughput sequence search program that is thousands of times faster than BLAST, to identify homologous sequences. It is, therefore, capable of analyzing tens of thousands of proteins interactively. Results are displayed as an HTML table summarizing both DE and GO predictions, including a statistical estimate for the reliability of each prediction. -
Expression and Prognostic Role of IKBKE and TBK1 in Stage I Non-Small Cell Lung Cancer
Cancer Management and Research Dovepress open access to scientific and medical research Open Access Full Text Article ORIGINAL RESEARCH Expression and prognostic role of IKBKE and TBK1 in stage I non-small cell lung cancer This article was published in the following Dove Press journal: Cancer Management and Research Xin Wang1,2 Background: The inhibitors of nuclear factor kappa-B kinase subunit epsilon (IKBKE) and Feifei Teng2 TANK-binding kinase 1 (TBK1) are important members of the nonclassical IKK family that Jie Lu3 share the kinase domain. They are important oncogenes for activation of several signaling Dianbin Mu4 pathways in several tumors. This study aims to explore the expression of IKBKE and TBK1 Jianbo Zhang4 and their prognostic role in stage I non-small cell lung cancer (NSCLC). Jinming Yu1,2 Patients and methods: A total of 142 surgically resected stage I NSCLC patients were enrolled and immunohistochemistry of IKBKE and TBK1 was performed. 1 Department of Oncology, Renmin Results: IKBKE and TBK1 were expressed in 121 (85.2%) and 114 (80.3%) of stage I Hospital of Wuhan University, Wuhan, fi Hubei 430060, People’s Republic of China; NSCLC patients respectively. IKBKE expression was signi cantly associated with TBK1 2Department of Radiation Oncology, expression (P=0.004). Furthermore, multivariate regression analyses showed there was a fi Shandong Cancer Hospital Af liated to significant relationship between patients with risk factors, the recurrence pattern of metas- Shandong University, Shandong Academy of Medical Sciences, Jinan, Shandong tasis and IKBKE+/TBK1+ co-expression (P=0.032 and P=0.022, respectively). In Kaplan– 250117, People’s Republic of China; Meier survival curve analyses, the IKBKE+/TBK1+ co-expression subgroup was signifi- 3Department of Neurosurgery, Shandong Province Qianfoshan Hospital of Shandong cantly associated with poor overall survival (P=0.014). -
Plant Trichomes and a Single Gene GLABRA1 Contribute to Insect
bioRxiv preprint doi: https://doi.org/10.1101/320903; this version posted May 13, 2018. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY 4.0 International license. 1 Plant trichomes and a single gene GLABRA1 contribute to insect 2 community composition on field-grown Arabidopsis thaliana 3 4 Yasuhiro Sato1,2, Rie Shimizu-Inatsugi3, Misako Yamazaki3, Kentaro K. Shimizu3,4*, and 5 Atsushi J. Nagano5* 6 7 1PRESTO, Japan Science and Technology Agency, Kawaguchi 332-0012, Japan 8 2Research Institute for Food and Agriculture, Ryukoku University, Yokotani 1-5, Seta Oe-cho, 9 Otsu, Shiga 520-2194, Japan 10 3Department of Evolutionary Biology and Environmental Studies, University of Zurich, 11 Winterthurerstrasse 190, 8057 Zurich, Switzerland 12 4Kihara Institute for Biological Research, Yokohama City University, 641-12 Maioka, 13 244-0813 Totsuka-ward, Yokohama, Japan 14 5Department of Plant Life Sciences, Faculty of Agriculture, Ryukoku University, Yokotani 15 1-5, Seta Oe-cho, Otsu, Shiga 520-2194, Japan 16 *Co-corresponding authors: K.K. Shimizu (Phone: +41-44-635-6740) and A.J. Nagano 17 (Phone: +81-77-599-5656) 18 E-mail address: YS, [email protected]; RSI, [email protected]; MY, 19 [email protected]; KKS, [email protected]; AJN, 20 [email protected] 21 22 Short title: Field study of insects on Arabidopsis 23 24 p. 1 bioRxiv preprint doi: https://doi.org/10.1101/320903; this version posted May 13, 2018. -
Biocontrol Program Targets Asian Citrus Psyllid in California's Urban
REVIEW ARTICLE Biocontrol program targets Asian citrus psyllid in California’s urban areas Two parasitoids of the Asian citrus psyllid, from Pakistan, have been released in Southern California with promising results. by Ivan Milosavljević, Kelsey Schall, Christina Hoddle, David Morgan and Mark Hoddle sian citrus psyllid (ACP), Diaphorina citri Ku- wayama (Hemiptera: Liviidae), has emerged as Abstract Athe most important exotic insect pest of citrus in California. Damage is two-fold. First, psyllids cause In California, Asian citrus psyllid vectors the bacterium Candidatus direct injury to citrus through feeding on phloem juice Liberibacter asiaticus, which causes the lethal citrus disease in immature foliage, deforming the leaves (Halbert and huanglongbing. The top priority for California’s citrus industry has been Manjunath 2004); and second, and more importantly, to diminish the rate of bacterium spread by reducing Asian citrus psyllid they vector the bacterium Candidatus Liberibacter asi- populations in urban areas, where this pest primarily resides. Attempts aticus (CLas), which causes the lethal and untreatable at eradicating and containing the psyllid with insecticides were citrus disease, huanglongbing (HLB), also called citrus unsuccessful. An alternative approach has been a classical biological greening disease. control program using two parasitoids from Pakistan, Tamarixia radiata Characteristic symptoms associated with CLas in- and Diaphorencyrtus aligarhensis, which attack the psyllid nymphs. fection are reduced vigor, foliar discoloration and die- T. radiata has established widely and, in combination with generalist back, misshapen fruit with bitter juice and malformed predators, natural enemies are providing substantial control of psyllids seeds, premature fruit drop, overall yield reductions in urban areas. and, ultimately, tree death (Gottwald 2010). -
Pan-Genome-Wide Analysis of Pantoea Ananatis Identified Genes Linked to Pathogenicity In
bioRxiv preprint doi: https://doi.org/10.1101/2020.07.24.219337; this version posted July 24, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY 4.0 International license. Pan-genome-wide analysis of Pantoea ananatis identified genes linked to pathogenicity in onion Gaurav Agarwal1*, Divya Choudhary1, Shaun P. Stice2, Brendon K. Myers1, Ronald D. Gitaitis1, Stephanus N. Venter3, Brian H. Kvitko2, Bhabesh Dutta1* 1Department of Plant Pathology, Coastal Plain Experimental Station, University of Georgia, Tifton, Georgia, USA 2Department of Plant Pathology, University of Georgia, Athens, Georgia, USA 3Department of Biochemistry, Genetics and Microbiology, Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria, South Africa *Corresponding authors: [email protected] (BD); [email protected] (GA) 1 bioRxiv preprint doi: https://doi.org/10.1101/2020.07.24.219337; this version posted July 24, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY 4.0 International license. Abstract Pantoea ananatis is a member of a Pantoea spp. complex that causes center rot of onion, which significantly affects onion yield and quality. This pathogen does not have typical virulence factors like type II or type III secretion systems but appears to require a biosynthetic gene-cluster, HiVir/PASVIL (located chromosomally), for a phosphonate secondary metabolite, and the onion- virulence regions, OVR (localized on a megaplasmid), for onion pathogenicity and virulence, respectively. -
How the Energy Sensor, AMPK, Impact the Testicular Function Pascal Froment, Mélanie Faure, Edith Guibert, Jean-Pierre Brillard
How the energy sensor, AMPK, impact the testicular function Pascal Froment, Mélanie Faure, Edith Guibert, Jean-Pierre Brillard To cite this version: Pascal Froment, Mélanie Faure, Edith Guibert, Jean-Pierre Brillard. How the energy sensor, AMPK, impact the testicular function. 27. Conference of European Comparative Endocrinologists, Aug 2014, Rennes, France. 2014. hal-02742016 HAL Id: hal-02742016 https://hal.inrae.fr/hal-02742016 Submitted on 3 Jun 2020 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Copyright 27th Conference of European Comparative Endocrinologists CECE 2014 25-29 August 2014 Rennes, France 3 27th Conference of European Comparative Endocrinologists Organized with the generous support and help of our sponsors Université de Rennes 1 European Society for Comparative Endocrinology (Grants) European Union INTEREG TC2N Rennes Métropole European Society of Endocrinology (Grants) Institut National de la Recherche Agronomique Société de Neuroendocrinologie (Grants) Institut National de l'Environnement Industriel et des Risques !"#$%$&$'()'*)+,)*+,)'#&*'-.'#."$/ -
Molecular Basis of Tank-Binding Kinase 1 Activation by Transautophosphorylation
Molecular basis of Tank-binding kinase 1 activation by transautophosphorylation Xiaolei Maa,1, Elizabeth Helgasonb,1, Qui T. Phungc, Clifford L. Quanb, Rekha S. Iyera, Michelle W. Leec, Krista K. Bowmana, Melissa A. Starovasnika, and Erin C. Dueberb,2 Departments of aStructural Biology, bEarly Discovery Biochemistry, and cProtein Chemistry, Genentech, South San Francisco, CA 94080 Edited by Tony Hunter, Salk Institute for Biological Studies, La Jolla, CA, and approved April 25, 2012 (received for review December 30, 2011) Tank-binding kinase (TBK)1 plays a central role in innate immunity: it the C-terminal scaffolding/dimerization domain (SDD), a do- serves as an integrator of multiple signals induced by receptor- main arrangement that appears to be shared among the IKK mediated pathogen detection and as a modulator of IFN levels. family of kinases (3). Deletion or mutation of the ULD in TBK1 Efforts to better understand the biology of this key immunological or IKKε severely impairs kinase activation and substrate phos- factor have intensified recently as growing evidence implicates phorylation in cells (22, 23). Furthermore, the integrity of the aberrant TBK1 activity in a variety of autoimmune diseases and ULD in IKKβ is not only required for kinase activity (24) but was fi cancers. Nevertheless, key molecular details of TBK1 regulation and shown also to confer substrate speci city in conjunction with the β substrate selection remain unanswered. Here, structures of phos- adjacent SDD (25). Recent crystal structures of the IKK phorylated and unphosphorylated human TBK1 kinase and ubiq- homodimer demonstrate that the ULD and SDD form a joint, uitin-like domains, combined with biochemical studies, indicate three-way interface with the KD within each protomer of the a molecular mechanism of activation via transautophosphorylation.