نتایج جستجو برای: phytophthora drechsler

تعداد نتایج: 8588  

Journal: :Review of Business and Economics Studies 2021

As of May 10, 2021, according to SPAC Alpha, there were 315 special purpose acquisition company (SPAC) IPOs completed YTD – more than 100 per cent higher the number in previous four years combined. David Erickson, Itamar Drechsler and Nikolai Roussanov explore how market exploded 2020 what may happen future.

2017
Dipak K Sahoo Nilwala S Abeysekara Silvia R Cianzio Alison E Robertson Madan K Bhattacharyya

Phytophthora sojae Kaufmann and Gerdemann, which causes Phytophthora root rot, is a widespread pathogen that limits soybean production worldwide. Development of Phytophthora resistant cultivars carrying Phytophthora resistance Rps genes is a cost-effective approach in controlling this disease. For this mapping study of a novel Rps gene, 290 recombinant inbred lines (RILs) (F7 families) were dev...

2016
Maofeng Jing Baodian Guo Haiyang Li Bo Yang Haonan Wang Guanghui Kong Yao Zhao Huawei Xu Yan Wang Wenwu Ye Suomeng Dong Yongli Qiao Brett M Tyler Wenbo Ma Yuanchao Wang

Phytophthora pathogens secrete an array of specific effector proteins to manipulate host innate immunity to promote pathogen colonization. However, little is known about the host targets of effectors and the specific mechanisms by which effectors increase susceptibility. Here we report that the soybean pathogen Phytophthora sojae uses an essential effector PsAvh262 to stabilize endoplasmic reti...

Journal: :Science 2006
Brett M Tyler Sucheta Tripathy Xuemin Zhang Paramvir Dehal Rays H Y Jiang Andrea Aerts Felipe D Arredondo Laura Baxter Douda Bensasson Jim L Beynon Jarrod Chapman Cynthia M B Damasceno Anne E Dorrance Daolong Dou Allan W Dickerman Inna L Dubchak Matteo Garbelotto Mark Gijzen Stuart G Gordon Francine Govers Niklaus J Grunwald Wayne Huang Kelly L Ivors Richard W Jones Sophien Kamoun Konstantinos Krampis Kurt H Lamour Mi-Kyung Lee W Hayes McDonald Mónica Medina Harold J G Meijer Eric K Nordberg Donald J Maclean Manuel D Ospina-Giraldo Paul F Morris Vipaporn Phuntumart Nicholas H Putnam Sam Rash Jocelyn K C Rose Yasuko Sakihama Asaf A Salamov Alon Savidor Chantel F Scheuring Brian M Smith Bruno W S Sobral Astrid Terry Trudy A Torto-Alalibo Joe Win Zhanyou Xu Hongbin Zhang Igor V Grigoriev Daniel S Rokhsar Jeffrey L Boore

Draft genome sequences have been determined for the soybean pathogen Phytophthora sojae and the sudden oak death pathogen Phytophthora ramorum. Oömycetes such as these Phytophthora species share the kingdom Stramenopila with photosynthetic algae such as diatoms, and the presence of many Phytophthora genes of probable phototroph origin supports a photosynthetic ancestry for the stramenopiles. Co...

Journal: :Applied and environmental microbiology 1994
S Kamoun M Young H Förster M D Coffey B M Tyler

The potential role of extracellular elicitor proteins (elicitins) from Phytophthora species as avirulence factors in the interaction between Phytophthora and tobacco was examined. A survey of 85 Phytophthora isolates representing 14 species indicated that production of elicitin is almost ubiquitous except for isolates of Phytophthora parasitica from tobacco. The production of elicitins by isola...

Journal: :Applied and environmental microbiology 2016
Rio A Stamler Soumalia Sanogo Natalie P Goldberg Jennifer J Randall

UNLABELLED Phytophthora species were isolated from rivers and streams in the southwestern United States by leaf baiting and identified by sequence analysis of internal transcribed spacer (ITS) ribosomal DNA (rDNA). The major waterways examined included the Rio Grande River, Gila River, Colorado River, and San Juan River. The most prevalent species identified in rivers and streams were Phytophth...

2011
Fabian Runge Sabine Telle Sebastian Ploch Elizabeth Savory Brad Day Rahul Sharma Marco Thines

Pathogens belonging to the Oomycota, a group of heterokont, fungal-like organisms, are amongst the most notorious pathogens in agriculture. In particular, the obligate biotrophic downy mildews and the hemibiotrophic members of the genus Phytophthora are responsible for a huge variety of destructive diseases, including sudden oak death caused by P. ramorum, potato late blight caused by P. infest...

2004
Peter McMahon Agus Purwantara

Phytophthora pathogens are responsible for some of the most serious diseases of cocoa including phytophthora pod rot (PPR) or black pod, stem canker, leaf and seedling blight, chupon wilt and flower cushion infections. PPR causes 10–30% annual losses in production of cocoa beans globally, and much higher losses locally in particularly wet and humid conditions. Stem canker causes further losses ...

Journal: :Letters in applied microbiology 2004
P Kong C X Hong P W Tooley K Ivors M Garbelotto P A Richardson

AIMS The primary objectives of this study were to determine if a single-strand conformation polymorphism (SSCP) analysis can be used for rapid identification of Phytophthora ramorum, an important quarantine plant pathogen worldwide, and to further assess the potential of the SSCP technique as a taxonomic tool for the genus Phytophthora. METHODS AND RESULTS SSCP of ribosomal DNA internal trans...

Journal: :Applied and environmental microbiology 1996
D Valois K Fayad T Barasubiye M Garon C Dery R Brzezinski C Beaulieu

A collection of about 200 actinomycete strains was screened for the ability to grow on fragmented Phytophthora mycelium and to produce metabolites that inhibit Phytophthora growth. Thirteen strains were selected, and all produced (beta)-1,3-, (beta)-1,4-, and (beta)-1,6-glucanases. These enzymes could hydrolyze glucans from Phytophthora cell walls and cause lysis of Phytophthora cells. These en...

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