Invasive Species Compendium Detailed Coverage of Invasive Species Threatening Livelihoods and the Environment Worldwide
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Metabolites from Nematophagous Fungi and Nematicidal Natural Products from Fungi As an Alternative for Biological Control
Appl Microbiol Biotechnol (2016) 100:3799–3812 DOI 10.1007/s00253-015-7233-6 MINI-REVIEW Metabolites from nematophagous fungi and nematicidal natural products from fungi as an alternative for biological control. Part I: metabolites from nematophagous ascomycetes Thomas Degenkolb1 & Andreas Vilcinskas1,2 Received: 4 October 2015 /Revised: 29 November 2015 /Accepted: 2 December 2015 /Published online: 29 December 2015 # The Author(s) 2015. This article is published with open access at Springerlink.com Abstract Plant-parasitic nematodes are estimated to cause Keywords Phytoparasitic nematodes . Nematicides . global annual losses of more than US$ 100 billion. The num- Oligosporon-type antibiotics . Nematophagous fungi . ber of registered nematicides has declined substantially over Secondary metabolites . Biocontrol the last 25 years due to concerns about their non-specific mechanisms of action and hence their potential toxicity and likelihood to cause environmental damage. Environmentally Introduction beneficial and inexpensive alternatives to chemicals, which do not affect vertebrates, crops, and other non-target organisms, Nematodes as economically important crop pests are therefore urgently required. Nematophagous fungi are nat- ural antagonists of nematode parasites, and these offer an eco- Among more than 26,000 known species of nematodes, 8000 physiological source of novel biocontrol strategies. In this first are parasites of vertebrates (Hugot et al. 2001), whereas 4100 section of a two-part review article, we discuss 83 nematicidal are parasites of plants, mostly soil-borne root pathogens and non-nematicidal primary and secondary metabolites (Nicol et al. 2011). Approximately 100 species in this latter found in nematophagous ascomycetes. Some of these sub- group are considered economically important phytoparasites stances exhibit nematicidal activities, namely oligosporon, of crops. -
An Ecological Study of Ditylenchus Dipsaci (Kuhn) Filipjev
Utah State University DigitalCommons@USU All Graduate Theses and Dissertations Graduate Studies 5-1966 An Ecological Study of Ditylenchus Dipsaci (Kuhn) Filipjev. in a Field of Alfalfa Shu-Ten Tseng Utah State University Follow this and additional works at: https://digitalcommons.usu.edu/etd Part of the Plant Sciences Commons Recommended Citation Tseng, Shu-Ten, "An Ecological Study of Ditylenchus Dipsaci (Kuhn) Filipjev. in a Field of Alfalfa" (1966). All Graduate Theses and Dissertations. 2872. https://digitalcommons.usu.edu/etd/2872 This Thesis is brought to you for free and open access by the Graduate Studies at DigitalCommons@USU. It has been accepted for inclusion in All Graduate Theses and Dissertations by an authorized administrator of DigitalCommons@USU. For more information, please contact [email protected]. AN ECOLOGICAL STUDY OF DITYLENCHUS DIPSACI (KUHN) FILIPJEV. IN A FIELD OF ALFALFA by Shu-ten Tseng A thesis submitted in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE in Plant Science UTAH STATE UNIVERSITY Logan, Utah 1966 ACKNOWLEDGMENT Th e author wishes to express his hearty appreciation t o : Dr. Keith R. Allred and Dr. Gerald D. Griffen for their constant encour agement and advice in carrying ou t this s tudy ; Dr. Rex L. Hurst f or his valuable help in statistical analysis; Dr.DeVer e R. McAllister for his kind arrangement which made this study possible . Shu-Ten Tseng TABLE OF CONTENTS INTRODUCTION . REVIEW OF LITERATURE 3 History of alfalfa stem nematode 3 Morphology . 4 Life cycle of Dityl e nchus dipsaci 4 The influence of environme nt 6 Moisture 6 Ae ration 7 Temperature 8 Soil t ype 9 Ditylenchus dipsaci population in soil and its r e lation wi th damage 10 Some aspect of behavior of ~· dipsaci 12 Orientation and invasion 12 Quiescence and l ongevi t y 13 Plant - Parasite relation . -
Occurrence of Ditylenchus Destructorthorne, 1945 on a Sand
Journal of Plant Protection Research ISSN 1427-4345 ORIGINAL ARTICLE Occurrence of Ditylenchus destructor Thorne, 1945 on a sand dune of the Baltic Sea Renata Dobosz1*, Katarzyna Rybarczyk-Mydłowska2, Grażyna Winiszewska2 1 Entomology and Animal Pests, Institute of Plant Protection – National Research Institute, Poznan, Poland 2 Nematological Diagnostic and Training Centre, Museum and Institute of Zoology Polish Academy of Sciences, Warsaw, Poland Vol. 60, No. 1: 31–40, 2020 Abstract DOI: 10.24425/jppr.2020.132206 Ditylenchus destructor is a serious pest of numerous economically important plants world- wide. The population of this nematode species was isolated from the root zone of Ammo- Received: July 11, 2019 phila arenaria on a Baltic Sea sand dune. This population’s morphological and morphomet- Accepted: September 27, 2019 rical characteristics corresponded to D. destructor data provided so far, except for the stylet knobs’ height (2.1–2.9 vs 1.3–1.8) and their arrangement (laterally vs slightly posteriorly *Corresponding address: sloping), the length of a hyaline part on the tail end (0.8–1.8 vs 1–2.9), the pharyngeal gland [email protected] arrangement in relation to the intestine (dorsal or ventral vs dorsal, ventral or lateral) and the appearance of vulval lips (smooth vs annulated). Ribosomal DNA sequence analysis confirmed the identity of D. destructor from a coastal dune. Keywords: Ammophila arenaria, internal transcribed spacer (ITS), potato rot nematode, 18S, 28S rDNA Introduction Nematodes from the genus Ditylenchus Filipjev, 1936, arachis Zhang et al., 2014, both of which are pests of are found in soil, in the root zone of arable and wild- peanut (Arachis hypogaea L.), Ditylenchus destruc- -growing plants, and occasionally in the tissues of un- tor Thorne, 1945 which feeds on potato (Solanum tu- derground or aboveground parts (Brzeski 1998). -
Description of Seinura Italiensis N. Sp.(Tylenchomorpha
JOURNAL OF NEMATOLOGY Article | DOI: 10.21307/jofnem-2020-018 e2020-18 | Vol. 52 Description of Seinura italiensis n. sp. (Tylenchomorpha: Aphelenchoididae) found in the medium soil imported from Italy Jianfeng Gu1,*, Munawar Maria2, 1 3 Lele Liu and Majid Pedram Abstract 1Technical Centre of Ningbo Seinura italiensis n. sp. isolated from the medium soil imported from Customs (Ningbo Inspection and Italy is described and illustrated using morphological and molecular Quarantine Science Technology data. The new species is characterized by having short body (477 Academy), No. 8 Huikang, Ningbo, (407-565) µm and 522 (469-590) µm for males and females, respec- 315100, Zhejiang, P.R. China. tively), three lateral lines, stylet lacking swellings at the base, and ex- 2Laboratory of Plant Nematology, cretory pore at the base or slightly anterior to base of metacorpus; Institute of Biotechnology, College females have 58.8 (51.1-69.3) µm long post-uterine sac (PUS), elon- of Agriculture and Biotechnology, gate conical tail with its anterior half conoid, dorsally convex, and Zhejiang University, Hangzhou, ventrally slightly concave and the posterior half elongated, narrower, 310058, Zhejiang, P.R. China. with finely rounded to pointed tip and males having seven caudal papillae and 14.1 (12.6-15.0) µm long spicules. Morphologically, the 3Department of Plant Pathology, new species is similar to S. caverna, S. chertkovi, S. christiei, S. hyr- Faculty of Agriculture, Tarbiat cania, S. longicaudata, S. persica, S. steineri, and S. tenuicaudata. Modares University, Tehran, Iran. The differences of the new species with aforementioned species are *E-mail: [email protected] discussed. -
Multi-Copy Alpha-Amylase Genes Are Crucial for Ditylenchus Destructor to Parasitize the Plant Host
PLOS ONE RESEARCH ARTICLE Multi-copy alpha-amylase genes are crucial for Ditylenchus destructor to parasitize the plant host Ling ChenID, Mengci Xu, Chunxiao Wang, Jinshui Zheng, Guoqiang Huang, Feng Chen, Donghai Peng, Ming Sun* State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China a1111111111 * [email protected] a1111111111 a1111111111 a1111111111 a1111111111 Abstract Ditylenchus destructor is a migratory plant-parasitic nematode that causes huge damage to global root and tuber production annually. The main plant hosts of D. destructor contain plenty of starch, which makes the parasitic environment of D. destructor to be different from OPEN ACCESS those of most other plant-parasitic nematodes. It is speculated that D. destructor may harbor Citation: Chen L, Xu M, Wang C, Zheng J, Huang some unique pathogenesis-related genes to parasitize the starch-rich hosts. Herein, we G, Chen F, et al. (2020) Multi-copy alpha-amylase focused on the multi-copy alpha-amylase genes in D. destructor, which encode a key genes are crucial for Ditylenchus destructor to parasitize the plant host. PLoS ONE 15(10): starch-catalyzing enzyme. Our previously published D. destructor genome showed that it e0240805. https://doi.org/10.1371/journal. has three alpha-amylase encoding genes, Dd_02440, Dd_11154, and Dd_13225. Compar- pone.0240805 ative analysis of alpha-amylases from different species demonstrated that the other plant- Editor: Sumita Acharjee, Assam Agricultural parasitic nematodes, even Ditylenchus dipsaci in the same genus, harbor only one or no University Faculty of Agriculture, INDIA alpha-amylase gene, and the three genes from D. -
Race Genesis in Ditylenchus Dipsaci 1) by D. R. Viglierchio
RACE GENESIS IN DITYLENCHUS DIPSACI 1) BY D. R. VIGLIERCHIO Department of Nematology, University of California, Davis A garlic isolate of Ditylenchus dipsaci has been found to be polyphagous.Under aseptic conditions this isolate has reproduced on a wide range of plant host tissues many of which are the key hosts reported for the biological races of the stem and bulb nematode. In addition the garlic isolate reproduced on two of nineteen fungus cultures tested. It is clear from the literature reports of many workers that different populations of D. dipsaci can vary in host ranges from very narrow to very broad. It is suggested, as a working hypothesis, that the nominal species, Ditylenchus dipsaci, gene pool be considered as "wild type" polyphagous with race deviations as part of the gene continuum in the fashion illustrated by the schematic representation. The stem and bulb nematode, Ditylenchu.r dipsaci, has been recognized for just over a century. It is perhaps the best known of all plant-parasitic nematodes for complexity in racial characterization. Though restricted essentially to the temperate zones of the world, representatives of the species have been found in hot desert soils, irrigated warm lands, cool most areas, and cold high mountain valleys wherever a host plant is able to grow. The nematode's cryptobiotic state enables it to survive sub-zero winter temperatures, summer soil temperatures of 55°C, or decades of desiccation. It is one of the more cosmopolitan of plant-parasitic nema- todes. It has been reported on nearly 50 botanical families including bryophytes and monocotyledonous and dicotyledonous plants (Filipjev & Schuurmans Stek- hoven, 1941). -
PCR-RFLP and Sequencing Analysis of Ribosomal DNA of Bursaphelenchus Nematodes Related to Pine Wilt Disease(L)
Fundam. appl. Nemalol., 1998,21 (6), 655-666 PCR-RFLP and sequencing analysis of ribosomal DNA of Bursaphelenchus nematodes related to pine wilt disease(l) Hideaki IvVAHORI, Kaku TSUDA, Natsumi KANZAKl, Katsura IZUI and Kazuyoshi FUTAI Cmduate School ofAgriculture, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan. Accepted for publication 23 December 1997. Summary -A polymerase chain reaction - restriction fragment polymorphism (PCR-RFLP) analysis was used for the discri mination of isolates of Bursaphelenchus nematode. The isolares of B. xylophilus examined originared from Japan, the United Stares, China, and Canada and the B. mucronatus isolates from Japan, China, and France. Ribosomal DNA containing the 5.8S gene, the internai transcribed spacer region 1 and 2, and partial regions of 18S and 28S gene were amplified by PCR. Digestion of the amplified products of each nematode isolate with twelve restriction endonucleases and examination of resulting RFLP data by cluster analysis revealed a significant gap between B. xylophllus and B. mucronatus. Among the B. xylophilus isolares examined, Japanese pathogenic, Chinese and US isolates were ail identical, whereas Japanese non-pathogenic isolares were slightly distinct and Canadian isolates formed a separate cluster. Among the B. mucronalUS isolates, two Japanese isolares were very similar to each other and another Japanèse and one Chinese isolare were identical to each other. The DNA sequence data revealed 98 differences (nucleotide substitutions or gaps) in 884 bp investigated between B. xylophilus isolare and B. mucronmus isolate; DNA sequence data of Aphelenchus avenae and Aphelenchoides fragariae differed not only from those of Bursaphelenchus nematodes, but also from each other. -
2020.01.27.921304.Full.Pdf
bioRxiv preprint doi: https://doi.org/10.1101/2020.01.27.921304; this version posted January 28, 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. 1 A novel metabarcoding strategy for studying nematode 2 communities 3 4 Md. Maniruzzaman Sikder1, 2, Mette Vestergård1, Rumakanta Sapkota3, Tina Kyndt4, 5 Mogens Nicolaisen1* 6 7 1Department of Agroecology, Aarhus University, Slagelse, Denmark 8 2Department of Botany, Jahangirnagar University, Savar, Dhaka, Bangladesh 9 3Department of Environmental Science, Aarhus University, Roskilde, Denmark 10 4Department of Biotechnology, Ghent University, Ghent, Belgium 11 12 13 *Corresponding author 14 Email: [email protected] 15 16 Abstract 17 Nematodes are widely abundant soil metazoa and often referred to as indicators of soil health. 18 While recent advances in next-generation sequencing technologies have accelerated 19 research in microbial ecology, the ecology of nematodes remains poorly elucidated, partly due 20 to the lack of reliable and validated sequencing strategies. Objectives of the present study 21 were (i) to compare commonly used primer sets and to identify the most suitable primer set 22 for metabarcoding of nematodes; (ii) to establish and validate a high-throughput sequencing 23 strategy for nematodes using Illumina paired-end sequencing. In this study, we tested four 1 bioRxiv preprint doi: https://doi.org/10.1101/2020.01.27.921304; this version posted January 28, 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. -
Ditylenchus Dipsaci, from Eastern Canada
Host range and genetic characterization of the stem and bulb nematode, Ditylenchus dipsaci, from Eastern Canada By Sandra Poirier Student ID: 260751029 Department of Plant Science McGill University Montreal Quebec, Canada October 2018 A thesis submitted to McGill University in partial fulfillment of the requirements of the Degree of Master in Plant Science © Sandra Poirier 2018 Table of content List of figures ...................................................................................................................... 4 List of tables ........................................................................................................................ 5 Abstract ............................................................................................................................... 6 Résumé ................................................................................................................................ 8 Acknowledgements ........................................................................................................... 10 Contribution of Authors .................................................................................................... 11 Chapter 1: Introduction ..................................................................................................... 12 Chapter 2: Literature review ............................................................................................. 14 2.1. Ditylenchus dipsaci ........................................................................................... -
Transcriptome Profiling of the Root-Knot Nematode Meloidogyne Enterolobii During Parasitism and Identification of Novel Effector Proteins
Ecole Doctorale de Sciences de la Vie et de la Santé Unité de recherche : UMR ISA INRA 1355-UNS-CNRS 7254 Thèse de doctorat Présentée en vue de l’obtention du grade de docteur en Biologie Moléculaire et Cellulaire de L’UNIVERSITE COTE D’AZUR par NGUYEN Chinh Nghia Etude de la régulation du transcriptome de nématodes parasites de plante, les nématodes à galles du genre Meloidogyne Dirigée par Dr. Bruno FAVERY Soutenance le 8 Décembre, 2016 Devant le jury composé de : Pr. Pierre FRENDO Professeur, INRA UNS CNRS Sophia-Antipolis Président Dr. Marc-Henri LEBRUN Directeur de Recherche, INRA AgroParis Tech Grignon Rapporteur Dr. Nemo PEETERS Directeur de Recherche, CNRS-INRA Castanet Tolosan Rapporteur Dr. Stéphane JOUANNIC Chargé de Recherche, IRD Montpellier Examinateur Dr. Bruno FAVERY Directeur de Recherche, UNS CNRS Sophia-Antipolis Directeur de thèse Doctoral School of Life and Health Sciences Research Unity: UMR ISA INRA 1355-UNS-CNRS 7254 PhD thesis Presented and defensed to obtain Doctor degree in Molecular and Cellular Biology from COTE D’AZUR UNIVERITY by NGUYEN Chinh Nghia Comprehensive Transcriptome Profiling of Root-knot Nematodes during Plant Infection and Characterisation of Species Specific Trait PhD directed by Dr Bruno FAVERY Defense on December 8th 2016 Jury composition : Pr. Pierre FRENDO Professeur, INRA UNS CNRS Sophia-Antipolis President Dr. Marc-Henri LEBRUN Directeur de Recherche, INRA AgroParis Tech Grignon Reporter Dr. Nemo PEETERS Directeur de Recherche, CNRS-INRA Castanet Tolosan Reporter Dr. Stéphane JOUANNIC Chargé de Recherche, IRD Montpellier Examinator Dr. Bruno FAVERY Directeur de Recherche, UNS CNRS Sophia-Antipolis PhD Director Résumé Les nématodes à galles du genre Meloidogyne spp. -
Strasbourg, 22 May 2002
Strasbourg, 3 July 2015 T-PVS/Inf (2015) 17 [Inf17e_2015.docx] CONVENTION ON THE CONSERVATION OF EUROPEAN WILDLIFE AND NATURAL HABITATS Standing Committee 35th meeting Strasbourg, 1-4 December 2015 GROUP OF EXPERTS ON INVASIVE ALIEN SPECIES 4-5 June 2015 Triglav National Park, Slovenia - NATIONAL REPORTS - Compilation prepared by the Directorate of Democratic Governance / The reports are being circulated in the form and the languages in which they were received by the Secretariat. This document will not be distributed at the meeting. Please bring this copy. Ce document ne sera plus distribué en réunion. Prière de vous munir de cet exemplaire. T-PVS/Inf (2015) 17 - 2 – CONTENTS / SOMMAIRE __________ 1. Armenia / Arménie 2. Austria / Autriche 3. Azerbaijan / Azerbaïdjan 4. Belgium / Belgique 5. Bulgaria / Bulgarie 6. Croatia / Croatie 7. Czech Republic / République tchèque 8. Estonia / Estonie 9. Italy / Italie 10. Liechtenstein / Liechtenstein 11. Malta / Malte 12. Republic of Moldova / République de Moldova 13. Norway / Norvège 14. Poland / Pologne 15. Portugal / Portugal 16. Serbia / Serbie 17. Slovenia / Slovénie 18. Spain / Espagne 19. Sweden / Suède 20. Switzerland / Suisse 21. Ukraine / Ukraine - 3 - T-PVS/Inf (2015) 17 ARMENIA / ARMÉNIE NATIONAL REPORT OF REPUBLIC OF ARMENIA Presented report includes information about the invasive species included in the 5th National Report of Republic of Armenia (2015) of the UN Convention of Biodiversity, estimation works of invasive and expansive flora and fauna species spread in Armenia in recent years, the analysis of the impact of alien flora and fauna species on the natural ecosystems of the Republic of Armenia, as well as the information concluded in the work "Invasive and expansive flora species of Armenia" published by the Institute of Botany of NAS at 2014 based on the results of the studies done in the scope of the scientific thematic state projects of the Institute of Botany of NAS in recent years. -
Impact of Trade on Distribution of Potato Rot Nematode (Ditylenchus Destructor) and Other Plant Nematodes
Agronomy Research 10 (1–2), 319–328, 2012 Impact of trade on distribution of potato rot nematode (Ditylenchus destructor) and other plant nematodes E. Kruus Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51014 Tartu, Estonia; e-mail: [email protected] Abstract. Scarce status reports give but little substance for convincing conclusions about the gravity of the current problem with the potato rot nematode (Ditylenchus destructor Thorne 1945). This paper reviews the international experience and presents the survey of the most recent plant nematode interception reports by member states of the European and Mediterranean Plant Protection Organization. Factors influencing the distribution and invasiveness of the species are discussed. The majority of the nematode infestations were identified in consignments of bonsai or aquarium plants, originating predominantly from Asia via Western European countries. Potatoes were the most frequent nematode pathways as detected by Northern, Eastern and Southern Europe. D. destructor has been among the ten best recognised phytonematodes in the international plant trade, even though it was present only in about 3% of the nematode-related interceptions of potato lots. Seed potato has been found contaminated with Potato Cyst Nematodes on several occasions, whereas latent potato rot nematode infestation in ware potato or ornamental plants may easily be overlooked. Special research programs, including the comparative population genetic analyses are necessary to establish the natural and introduced distribution of D. destructor and substantiate creating pest free areas. Key words: plant health, invasion, phytosanitary measures INTRODUCTION Potato rot nematode Ditylenchus destructor Thorne 1945has resulted in serious economic consequences in Eastern European potato production.