A glycoside hydrolase family 99-like domain-containing protein modifies outer membrane proteins to maintain Xanthomonas pathogenicity and viability in stressful environments.

abstract：:The plant bacterial pathogen Xanthomonas oryzae pv. oryzae causes bacterial blight of rice, which is one of the most destructive rice diseases prevalent in Asia and parts of Africa. Despite many years of research, how X. oryzae pv. oryzae causes bacterial blight of rice is still not completely understood. Here, we sho...

journal_title：Phytopathology

authors： Zhang Y,Wu G,Palmer I,Wang B,Qian G,Fu ZQ,Liu F

更新日期：2019-11-01 00:00:00

abstract：:Rice sheath blight (ShB), caused by the soilborne pathogen Rhizoctonia solani, annually causes severe losses in yield and quality in many rice production areas worldwide. Jasmine 85 is an indica cultivar that has proven to have a high level of resistance to this pathogen. The objective of this study was to determine t...

journal_title：Phytopathology

authors： Liu G,Jia Y,Correa-Victoria FJ,Prado GA,Yeater KM,McClung A,Correll JC

更新日期：2009-09-01 00:00:00

abstract：:ABSTRACT Natural potato late blight epidemics were studied to assess the relative impact of various inoculum sources of Phytophthora infestans in Southern Flevoland (the Netherlands) from 1994 through 1996. Disease surveys were combined with characterization of isolates for mating type and DNA fingerprint pattern usin...

journal_title：Phytopathology

authors： Zwankhuizen MJ,Govers F,Zadoks JC

更新日期：1998-08-01 00:00:00

abstract：:ABSTRACT Since 1991, dramatic changes have occurred in the genetic composition of populations of Phytophthora infestans in the United States. Clonal lineages recently introduced into the United States (US-7 and US-8) are more common now than the previously dominant lineage (US-1). To help determine why these changes o...

journal_title：Phytopathology

authors： Kato M,Mizubuti ES,Goodwin SB,Fry WE

更新日期：1997-09-01 00:00:00

abstract：:Forty-eight inbred lines of maize with varying levels of resistance to gray leaf spot (GLS) were artificially inoculated with Cercospora zeina and evaluated to characterize partial disease resistance in maize under field conditions from 2012 to 2014 across 12 environments in western Kenya. Eight measures of disease ep...

journal_title：Phytopathology

authors： Nyanapah JO,Ayiecho PO,Nyabundi JO,Otieno W,Ojiambo PS

更新日期：2020-10-01 00:00:00

abstract：:Despite being the first closterovirus documented in grapevines (Vitis sp.), the molecular biology of Grapevine leafroll-associated virus 1 (GLRaV-1, genus Ampelovirus, family Closteroviridae) is still in its infancy. In this study, the complete genome sequence of two GLRaV-1 isolates was determined to be 18,731 (isola...

journal_title：Phytopathology

authors： Donda BP,Jarugula S,Naidu RA

更新日期：2017-09-01 00:00:00

abstract：:The evolutionary relationships among Verticillium dahliae vegetative compatibility (VCG) subgroups VCG1A, VCG1B, VCG2A, VCG2B, VCG4A, VCG4B, and VCG6 were investigated by parsimony analysis of amplified fragment length polymorphism (AFLP) fingerprints and sequences of six DNA regions (actin, beta-tubulin, calmodulin, ...

journal_title：Phytopathology

authors： Collado-Romero M,Mercado-Blanco J,Olivares-García C,Jiménez-Díaz RM

更新日期：2008-09-01 00:00:00

abstract：:Few molecular details of effectors of Heterodera avenae parasitism are known. We performed a high-throughput sequencing analysis of the H. avenae transcriptome at five developmental stages. A total of 82,549 unigenes were ultimately obtained, and 747 transcripts showed best hits to genes putatively encoding carbohydra...

journal_title：Phytopathology

authors： Cui JK,Peng H,Qiao F,Wang GF,Huang WK,Wu DQ,Peng D

更新日期：2018-02-01 00:00:00

abstract：:ABSTRACT An experiment was designed to compare cycles of selection of four maize genotypes for ear- and grain-quality characteristics, interactions with Aspergillus flavus and Fusarium verticillioides infection, and insect ear infestation in two seasons. Mean infection levels by A. flavus and F. verticillioides were s...

journal_title：Phytopathology

authors： Cardwell KF,Kling JG,Maziya-Dixon B,Bosque-Pérez NA

更新日期：2000-03-01 00:00:00

abstract：:ABSTRACT Chemical applications, with the exception of mancozeb, reduced population sizes and spread of Clavibacter michiganensis subsp. michiganensis among tomato seedlings in the greenhouse and impacted subsequent plant development and yield in the field. While applications of copper hydroxide, copper hydroxide/manco...

journal_title：Phytopathology

authors： Hausbeck MK,Bell J,Medina-Mora C,Podolsky R,Fulbright DW

更新日期：2000-01-01 00:00:00

abstract：:ABSTRACT To follow the movement of Erwinia amylovora in plant tissue without dissection, this bacterium was marked with either the lux operon from Vibrio fischeri or the gfp gene from the jellyfish Aequorea victoria, both carried on multicopy plasmids and expressed under the control of the lac promoter from Escherichi...

journal_title：Phytopathology

authors： Bogs J,Bruchmüller I,Erbar C,Geider K

更新日期：1998-05-01 00:00:00

abstract：:Tomato is an economic crop worldwide. Many limiting factors reduce the production of tomato, with bacterial wilt caused by Ralstonia solanacearum being the most destructive disease. Our previous study showed that the disease resistance to bacterial soft rot is enhanced by Bacillus amyloliquefaciens strain PMB05. This ...

journal_title：Phytopathology

authors： Ho TH,Chuang CY,Zheng JL,Chen HH,Liang YS,Huang TP,Lin YH

更新日期：2020-12-01 00:00:00

abstract：:ABSTRACT A 3.3-kb fragment of genomic DNA from bacteriophage Phi-Ea1h encoding an amylovoran-directed depolymerase lyase was sequenced, and three open reading frames (ORFs) were detected. The first ORF could encode a lysozyme and the second a holin that may form a pore supporting cell lysis by the lysozyme. The third ...

journal_title：Phytopathology

authors： Kim WS,Geider K

更新日期：2000-11-01 00:00:00

abstract：:ABSTRACT Suppressive effects of soil amendment with residues of 12 cultivars of Brassica rapa on damping-off of sugar beet were evaluated in soils infested with Rhizoctonia solani. Residues of clover and peanut were tested as noncruciferous controls. The incidence of damping-off was significantly and consistently supp...

journal_title：Phytopathology

authors： Kasuya M,Olivier AR,Ota Y,Tojo M,Honjo H,Fukui R

更新日期：2006-12-01 00:00:00

abstract：:ABSTRACT Infection of soybean (Glycine max) plants inoculated with particles of Alfalfa mosaic virus (AlMV) isolate 425 at 12 days after germination was monitored throughout the life cycle of the plant (vegetative growth, flowering, seed formation, and seed maturation) by western blot analysis of tissue samples. At 8 ...

journal_title：Phytopathology

authors： Fleysh N,Deka D,Drath M,Koprowski H,Yusibov V

更新日期：2001-10-01 00:00:00

abstract：:ABSTRACT During the infection of citrus fruit by Penicillium digitatum there is little evidence of a host defense response. This suggests that P. digitatum has the ability to suppress host defenses. The current study demonstrates that P. digitatum suppresses a defense-related hydrogen peroxide (H(2)O(2)) burst in host...

journal_title：Phytopathology

authors： Macarisin D,Cohen L,Eick A,Rafael G,Belausov E,Wisniewski M,Droby S

更新日期：2007-11-01 00:00:00

abstract：:Although 'Candidatus Liberibacter asiaticus' (Las) is a major pathogen associated with citrus huanglongbing (HLB), some characteristics of transmission by the psyllid vector Diaphorina citri are not fully understood. We examined the latent period and persistence of transmission of Las by D. citri in a series of experi...

journal_title：Phytopathology

authors： Canale MC,Tomaseto AF,Haddad ML,Della Coletta-Filho H,Lopes JR

更新日期：2017-03-01 00:00:00

abstract：:ABSTRACT The effect of the plant on the diversity of soilborne populations of Fusarium oxysporum was assessed after successive cultures of flax, melon, tomato, and wheat in separate samples of the same soil. Forty soil-borne isolates of F. oxysporum and forty root-colonizing isolates of each plant species were sampled...

journal_title：Phytopathology

authors： Edel V,Steinberg C,Gautheron N,Alabouvette C

更新日期：1997-07-01 00:00:00

abstract：:ABSTRACT A series of samples were taken from mulched and unmulched trees starting at the surface of mulch or soil to a 15 cm soil depth, forming a vertical transect. Saprophytic fungi isolated from the soil samples on rose bengal medium and surveyed visually were most abundant in mulches and at the interface of mulch ...

journal_title：Phytopathology

authors： Downer AJ,Menge JA,Pond E

更新日期：2001-09-01 00:00:00

abstract：:ABSTRACT The colonization of individual flowers in mature pear orchards by Pseudomonas fluorescens strain A506 applied at different times during bloom was measured to determine the receptivity of flowers to colonization and the extent of intra-tree movement over time. Strain A506 populations in flowers open at inocula...

journal_title：Phytopathology

authors： Lindow SE,Suslow TV

更新日期：2003-06-01 00:00:00

abstract：:The major quantitative trait locus (QTL) qHS2.09 plays an important role in resistance to head smut during maize breeding and production. In this study, a near-isogenic line (NIL), L34, which harbors the major QTL qHS2.09 in bin 2.09, was developed using a resistant donor 'Mo17' in a susceptible genetic background 'Hu...

journal_title：Phytopathology

authors： Weng J,Liu X,Wang Z,Wang J,Zhang L,Hao Z,Xie C,Li M,Zhang D,Bai L,Liu C,Zhang S,Li X

更新日期：2012-07-01 00:00:00

abstract：:ABSTRACT A collection of race 1 and race 2 isolates of Fusarium oxysporum f. sp. lycopersici was screened for vegetative compatibility and characterized by random amplified polymorphic DNA (RAPD) analysis to establish the identity and genetic diversity of the isolates. Comparison of RAPD profiles revealed two main gro...

journal_title：Phytopathology

authors： Mes JJ,Weststeijn EA,Herlaar F,Lambalk JJ,Wijbrandi J,Haring MA,Cornelissen BJ

更新日期：1999-02-01 00:00:00

abstract：:ABSTRACT We determined that multiple and independent introductions of copper resistance genes have taken place for strains of Xanthomonas citri subsp. citri from Argentina and strains of X. alfalfae subsp. citrumelonis from Florida. This study compared the partial nucleotide sequences of principal copper resistance ge...

journal_title：Phytopathology

authors： Behlau F,Hong JC,Jones JB,Graham JH

更新日期：2013-05-01 00:00:00

abstract：:Pantoea agglomerans strain E325, a commercially available antagonist for fire blight of apple and pear, was originally selected through screening based on suppression of Erwinia amylovora on flower stigmas, but specific mechanisms of antagonism were unknown. Bacterial modification of pH was evaluated as a possible mec...

journal_title：Phytopathology

authors： Pusey PL,Stockwell VO,Rudell DR

更新日期：2008-10-01 00:00:00

abstract：:Understanding pathogen evolution over time is vital for plant breeding and deployment of host resistance. In the context of a soilborne pathogen, the potential of host-directed evolution of a Verticillium dahliae race 1 isolate and genotypic variation of V. dahliae associated with two major hosts (lettuce and tomato) ...

journal_title：Phytopathology

authors： Puri KD,Gurung S,Short DPG,Atallah ZK,Sandoya G,Davis RM,Hayes RJ,Subbarao KV

更新日期：2017-11-01 00:00:00

abstract：:ABSTRACT Three similar isolates of Phytophthora (Phytophthora sp-h) were obtained from diseased Spathiphyllum and Primula plants. Cultural characteristics did not fit any known description of Phytophthora species. The Phytophthora sp-h isolates are papillate, are homothallic, possess 80 to 86% amphigynous antheridia, ...

journal_title：Phytopathology

authors： Man In 't Veld WA,Veenbaas-Rijks WJ,Ilieva E,de Cock AW,Bonants PJ,Pieters R

更新日期：1998-09-01 00:00:00

abstract：:ABSTRACT Severe epidemics of Fusarium head blight (FHB) caused by Fusarium graminearum, group II (teleomorph: Gibberella zeae) have been occurring on wheat crops in the northcentral United States and southern Canada. Evaluation of resistance to FHB is difficul, because resistance is partial and infection depends upon ...

journal_title：Phytopathology

authors： Campbell KA,Lipps PE

更新日期：1998-10-01 00:00:00

abstract：:Vitis rupestris B38 is a North American grapevine resistant to the major pathogen of cultivated grapevines, Erysiphe necator. Sources of powdery mildew resistance, like V. rotundifolia, are widely used in grape breeding but are already threatened, even before commercialization, by isolates that can reproduce on Run1 a...

journal_title：Phytopathology

authors： Barba P,Cadle-Davidson L,Galarneau E,Reisch B

更新日期：2015-08-01 00:00:00

abstract：:Verticillium dahliae is a soilborne fungus that causes Verticillium wilt on multiple crops in central coastal California. Although spinach crops grown in this region for fresh and processing commercial production do not display Verticillium wilt symptoms, spinach seeds produced in the United States or Europe are commo...

journal_title：Phytopathology

authors： Duressa D,Rauscher G,Koike ST,Mou B,Hayes RJ,Maruthachalam K,Subbarao KV,Klosterman SJ

更新日期：2012-04-01 00:00:00

abstract：:ABSTRACT To assemble a laboratory population of Blumeria graminis f. sp. hordei for a competition experiment, controlled crosses were performed among 30 parent isolates, which were characterized by their pathotype (i.e., the phenotype observed on a differential set containing lines including host resistance alleles) a...

journal_title：Phytopathology

authors： Bousset L,Pons-Kühnemann J

更新日期：2003-03-01 00:00:00