نتایج جستجو برای: living nematode

تعداد نتایج: 193470  

Journal: :Yeast (Chichester, England) 2000
J Wixon M Blaxter I Hope R Barstead S Kim

Transparent, free-living nematode worm. Unsegmented body plan with full set of differentiated tissues (neural, endoderm, ectoderm and muscle). Genome size approximately 97 Mb, as five autosomes and one X sex chromosome. Fully sequenced genome, which comprises approximately 20 000 predicted genes. Defined cell lineage. Has made major contribution to studies of development, cell-to-cell signallin...

Journal: :Jurnal sumberdaya hayati 2023

Monochids are predatory nematodes that can be found in various ecosystems. In this study, we analyzed monochids from the rhizosphere of Arabica coffee Bondowoso Regency-Indonesia. The morphological analysis showed nematode belonged to Mylonchulus hawaiiensis (Cassidy, 1931) species. results were also confirmed by a molecular using DNA single nematode. study involved polymerase chain reaction pr...

2012
Amit Sinha Robbie Rae Igor Iatsenko Ralf J. Sommer

The evolution of genetic mechanisms used to combat bacterial infections is critical for the survival of animals and plants, yet how these genes evolved to produce a robust defense system is poorly understood. Studies of the nematode Caenorhabditis elegans have uncovered a plethora of genetic regulators and effectors responsible for surviving pathogens. However, comparative studies utilizing oth...

2013
Tejashwari Meerupati Karl-Magnus Andersson Eva Friman Dharmendra Kumar Anders Tunlid Dag Ahrén

Orbiliomycetes is one of the earliest diverging branches of the filamentous ascomycetes. The class contains nematode-trapping fungi that form unique infection structures, called traps, to capture and kill free-living nematodes. The traps have evolved differently along several lineages and include adhesive traps (knobs, nets or branches) and constricting rings. We show, by genome sequencing of t...

Journal: :Mycologia 2005
Susan L F Meyer Lynn K Carta Stephen A Rehner

An isolate of the nematode-trapping fungus Monacrosporium drechsleri was collected from cultures of the root-knot nematode Meloidogyne arenaria that had been maintained on tomato roots in greenhouse pots in Beltsville, Maryland. The plant-parasitic nematodes Heterodera glycines, Meloidogyne incognita and Pratylenchus zeae and the free-living nematodes Caenorhabditis elegans and Panagrellus redi...

2016
Alejandra Rougon-Cardoso Mitzi Flores-Ponce Hilda Eréndira Ramos-Aboites Christian Eduardo Martínez-Guerrero You-Jin Hao Luis Cunha Jonathan Alejandro Rodríguez-Martínez Cesaré Ovando-Vázquez José Roberto Bermúdez-Barrientos Cei Abreu-Goodger Norberto Chavarría-Hernández Nelson Simões Rafael Montiel

The entomopathogenic nematode Steinernema carpocapsae has been widely used for the biological control of insect pests. It shares a symbiotic relationship with the bacterium Xenorhabdus nematophila, and is emerging as a genetic model to study symbiosis and pathogenesis. We obtained a high-quality draft of the nematode's genome comprising 84,613,633 bp in 347 scaffolds, with an N50 of 1.24 Mb. To...

Journal: :PLoS pathogens 2016
Mennatallah M Y Albarqi Jonathan D Stoltzfus Adeiye A Pilgrim Thomas J Nolan Zhu Wang Steven A Kliewer David J Mangelsdorf James B Lok

The complex life cycle of the parasitic nematode Strongyloides stercoralis leads to either developmental arrest of infectious third-stage larvae (iL3) or growth to reproductive adults. In the free-living nematode Caenorhabditis elegans, analogous determination between dauer arrest and reproductive growth is governed by dafachronic acids (DAs), a class of steroid hormones that are ligands for th...

Journal: :Veterinary parasitology 2011
Luciana M Katiki Jorge F S Ferreira Anne M Zajac Carol Masler David S Lindsay Ana Carolina S Chagas Alessandro F T Amarante

The most challenging obstacles to testing products for their anthelmintic activity are: (1) establishing a suitable nematode in vitro assay that can evaluate potential product use against a parasitic nematode of interest and (2) preparation of extracts that can be redissolved in solvents that are miscible in the test medium and are at concentrations well tolerated by the nematode system used fo...

Journal: :Journal of nematology 1995
Y Spiegel M A McClure

Chemical composition, origin, and biological role of the surface coat (SC) of plant-parasitic nematodes are described and compared with those of animal-parasitic and free-living nematodes. The SC of the plant-parasitic nematodes is 5-30 nm thick and is characterized by a net negative charge. It consists, at least in part, of glycoproteins and proteins with various molecular weights, depending u...

2003
Patrice Cadet Emmanuelle Pate Jean Thioulouse

One hundred and nine soil samples were collected in 69 different localities along two transects, one North– South, about 900 km in length, and the other East–West (750 km in length), across Senegal and Gambia. The first transect followed a rainfall gradient and the second a human density gradient. The relationship between carbon content, C/N ratio and soil type on the abundance and species dist...

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