LtEPG1, a Secretory Endopolygalacturonase Protein, Regulates the Virulence of Lasiodiplodia theobromae in Vitis vinifera and Is Recognized as a Microbe-Associated Molecular Patterns.

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：:To assess the diversity of Xanthomonas campestris spp. infecting crucifers in New York, 154 isolates were collected over 10 years across the state. The goal was to determine if isolates of the pathogen were overwintering in New York and serving as primary inoculum in subsequent years, or if novel isolates were enterin...

journal_title：Phytopathology

authors： Lange HW,Tancos MA,Carlson MO,Smart CD

更新日期：2016-02-01 00:00:00

abstract：:The fungus Rhizoctonia oryzae-sativae is an important pathogen that causes the aggregated sheath spot disease on rice. In this study, we investigated the genetic structure of rice-adapted populations of R. oryzae-sativae sampled from traditional rice-cropping areas from the Paraíba Valley, São Paulo, Brazil, and from ...

journal_title：Phytopathology

authors： Pereira DA,Ceresini PC,Castroagudín VL,Ramos-Molina LM,Chavarro-Mesa E,Negrisoli MM,Campos SN,Pegolo ME,Takada HM

更新日期：2017-01-01 00:00:00

abstract：:The distinguished intracellular stylet puncture called phloem-pd (potential drop [pd]) produced by Myzus persicae has been associated with the transmission of the semipersistently transmitted, phloem-limited Beet yellows virus (BYV, Closterovirus). However, the production of intracellular punctures in phloem cells (ph...

journal_title：Phytopathology

authors： Jiménez J,Arias-Martín M,Moreno A,Garzo E,Fereres A

更新日期：2020-01-01 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：:Tomato chlorosis virus (ToCV), and Tomato infectious chlorosis virus (TICV), family Closteroviridae, genus Crinivirus, cause interveinal chlorosis, leaf brittleness, and limited necrotic flecking or bronzing on tomato leaves. Both viruses cause a decline in plant vigor and reduce fruit yield, and are emerging as serio...

journal_title：Phytopathology

authors： Wintermantel WM,Cortez AA,Anchieta AG,Gulati-Sakhuja A,Hladky LL

更新日期：2008-12-01 00:00:00

abstract：:An outbreak of a new disease occurred in cotton (Gossypium hirsutum) fields in northwest Argentina starting in the 2009-10 growing season and is still spreading steadily. The characteristic symptoms of the disease included slight leaf rolling and a bushy phenotype in the upper part of the plant. In this study, we dete...

journal_title：Phytopathology

authors： Agrofoglio YC,Delfosse VC,Casse MF,Hopp HE,Kresic IB,Distéfano AJ

更新日期：2017-03-01 00:00:00

abstract：:Dark pigmented fungi of the Gaeumannomyces-Phialophora complex were isolated from the roots of wheat grown in fields in eastern Washington State. These fungi were identified as Phialophora spp. on the basis of morphological and genetic characteristics. The isolates produced lobed hyphopodia on wheat coleoptiles, phial...

journal_title：Phytopathology

authors： Kwak YS,Bakker PA,Glandorf DC,Rice JT,Paulitz TC,Weller DM

更新日期：2010-05-01 00:00:00

abstract：:A study was designed to screen individual strains of plant growth-promoting rhizobacteria (PGPR) for broad-spectrum disease suppression in vitro and in planta. In a preliminary screen, 28 of 196 strains inhibited eight different tested pathogens in vitro. In a secondary screen, these 28 strains showed broad spectrum a...

journal_title：Phytopathology

authors： Liu K,Newman M,McInroy JA,Hu CH,Kloepper JW

更新日期：2017-08-01 00:00:00

abstract：:The new broad-spectrum fungicides from the succinate dehydrogenase inhibitor (SDHI) class have been quickly adopted by the market, which may lead to a high selection pressure on various pathogens. Cases of resistance have been observed in 14 fungal pathogens to date and are caused by different mutations in genes encod...

journal_title：Phytopathology

authors： Sierotzki H,Scalliet G

更新日期：2013-09-01 00:00:00

abstract：:Complete genomic sequences of Artichoke latent virus (ArLV) have been obtained by classical or high-throughput sequencing for an ArLV isolate from Italy (ITBr05) and for two isolates from France (FR37 and FR50). The genome is 8,278 to 8,291 nucleotides long and has a genomic organization comparable with that of Chines...

journal_title：Phytopathology

authors： Minutillo SA,Marais A,Mascia T,Faure C,Svanella-Dumas L,Theil S,Payet A,Perennec S,Schoen L,Gallitelli D,Candresse T

更新日期：2015-08-01 00:00:00

abstract：:ABSTRACT Fusarium oxysporum f. sp. ciceris and the root-lesion nematode Pratylenchus thornei coinfect chickpeas in southern Spain. The influence of root infection by P. thornei on the reaction of Fusarium wilt-susceptible (CPS 1 and PV 61) and wilt-resistant (UC 27) chickpea cultivars to F. oxysporum f. sp. ciceris ra...

journal_title：Phytopathology

authors： Castillo P,Mora-Rodríguez MP,Navas-Cortés JA,Jiménez-Díaz RM

更新日期：1998-08-01 00:00:00

abstract：:ABSTRACT Rain simulation studies were performed to compare splash dispersal of three Colletotrichum species: C. acutatum (C. acutatum-O isolate from Ohio and C. acutatum-M isolate from Mississippi), C. fragariae (isolate from Mississippi), and C. gloeosporioides (isolate from Florida). Conidial dispersal was assessed ...

journal_title：Phytopathology

authors： Ntahimpera N,Wilson LL,Ellis MA,Madden LV

更新日期：1999-07-01 00:00:00

abstract：:ABSTRACT We developed a rapid and miniaturized bioassay for screening large numbers of rhizosphere microorganisms for their ability to induce systemic resistance to bacterial leaf spot of radish caused by Xanthomonas campestris pv. armoraciae. In this bioassay, Pantoea agglomerans strain E278Ar controlled symptoms of ...

journal_title：Phytopathology

authors： Han DY,Coplin DL,Bauer WD,Hoitink HA

更新日期：2000-04-01 00:00:00

abstract：:ABSTRACT Phytophthora capsici is a diverse species causing disease on a broad range of both temperate and tropical plants. In this study, we used cultural characteristics, amplified fragment length polymorphism (AFLP), and DNA sequence analyses of the ribosomal internal transcribed spacer (ITS) region and mitochondria...

journal_title：Phytopathology

authors： Bowers JH,Martin FN,Tooley PW,Luz ED

更新日期：2007-04-01 00:00:00

abstract：:Plants have developed complex defense mechanisms to protect themselves against pathogens. A wide-host-range fungus, Austropuccinia psidii, which has caused severe damage to ecosystems and plantations worldwide, is a major threat to Australian ecosystems dominated by members of the family Myrtaceae. In particular, the ...

journal_title：Phytopathology

authors： Hsieh JF,Chuah A,Patel HR,Sandhu KS,Foley WJ,Külheim C

更新日期：2018-04-01 00:00:00

abstract：:ABSTRACT Greasy spot, caused by Mycosphaerella citri, produces a leaf spot disease affecting all citrus species in Florida and the Caribbean Basin. M. citri produces pseudothecia and ascospores, which are considered the principal source of inoculum, in decomposing leaves on the grove floor. In studies using a computer...

journal_title：Phytopathology

authors： Mondal SN,Gottwald TR,Timmer LW

更新日期：2003-08-01 00:00:00

abstract：:ABSTRACT Biocontrol agents may compete with pathogens for nutrients and space to delay or prevent decay of fruits after harvest. These mechanisms of biological control have been difficult to study because no method has been available to determine the significance of each of the components of competition. We developed ...

journal_title：Phytopathology

authors： Janisiewicz WJ,Tworkoski TJ,Sharer C

更新日期：2000-11-01 00:00:00

abstract：:Fusarium lateritium is a globally distributed plant pathogen. It was recently reported as the causal agent of nut gray necrosis (NGN) on hazelnut. Isolate characterization within F. lateritium was undertaken to investigate how morphological and molecular diversity was associated with host and geographic origin. Morpho...

journal_title：Phytopathology

authors： Vitale S,Santori A,Wajnberg E,Castagnone-Sereno P,Luongo L,Belisario A

更新日期：2011-06-01 00:00:00

abstract：:ABSTRACT Three polymerase chain reaction (PCR) techniques-standard PCR (Std-PCR), direct-binding PCR (DB-PCR), and immunocapture PCR (IC-PCR)-using degenerate primers were optimized and evaluated for the detection of begomoviruses. Tomato leaf samples were ground in three different extraction buffers and subjected to ...

journal_title：Phytopathology

authors： Rampersad SN,Umaharan P

更新日期：2003-09-01 00:00:00

abstract：:ABSTRACT Comparison of a sampling of complementary DNA (cDNA) sequences from the Florida citrus tristeza virus (CTV) isolates T3 and T30 to the sequence of the genome of the Israeli isolate VT showed a relatively consistent or symmetrical distribution of nucleotide sequence identity in both the 5' and 3' regions of th...

journal_title：Phytopathology

authors： Hilf ME,Karasev AV,Albiach-Marti MR,Dawson WO,Garnsey SM

更新日期：1999-04-01 00:00:00

abstract：:The induction of plant defense mechanisms by resistance inducers is an attractive and innovative alternative to reduce the use of fungicides on wheat against Zymoseptoria tritici, the responsible agent of Septoria tritici blotch (STB). Under controlled conditions, we investigated the resistance induction in three whea...

journal_title：Phytopathology

authors： Ors M,Randoux B,Siah A,Couleaud G,Maumené C,Sahmer K,Reignault P,Halama P,Selim S

更新日期：2019-12-01 00:00:00

abstract：:ABSTRACT Pyrenophora teres, the causal agent of net blotch of barley (Hordeum vulgare L.), induces a combination of necrosis and extensive chlorosis in susceptible barley cultivars. Cell-free filtrates from both net and spot forms of P. teres; P. teres f. sp. teres, and P. teres f. sp. maculata were found to contain p...

journal_title：Phytopathology

authors： Sarpeleh A,Wallwork H,Catcheside DE,Tate ME,Able AJ

更新日期：2007-08-01 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：: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：:ABSTRACT The study was conducted to evaluate the potential of induced resistance to infestation of sunflower (Helianthus annuus L.) by the parasitic weed Orobanche cumana Wallr. Treatment of sunflower seeds with 40 ppm of benzo(1,2,3)thiadiazole-7-carbothioic acid S-methyl ester (BTH) for 36 h completely prevented inf...

journal_title：Phytopathology

authors： Sauerborn J,Buschmann H,Ghiasi KG,Kogel KH

更新日期：2002-01-01 00:00:00

abstract：:Parastagonospora nodorum is an important fungal pathogen that causes Septoria nodorum blotch (SNB) in wheat. This pathogen produces several necrotrophic effectors that act as virulence factors; three have been cloned, SnToxA, SnTox1, and SnTox3. In this study, P. nodorum and its sister species P. avenaria f. tritici (...

journal_title：Phytopathology

authors： Hafez M,Gourlie R,Despins T,Turkington TK,Friesen TL,Aboukhaddour R

更新日期：2020-12-01 00:00:00

abstract：:The rice blast resistance gene Pid3 encodes a nucleotide-binding-site leucine-rich repeat (NBS-LRR) protein. This gene was cloned from the rice 'Digu' (indica) by performing a genome-wide comparison of the NBS-LRR gene family between two genome-sequenced varieties, '9311' (indica) and 'Nipponbare' (japonica). In this ...

journal_title：Phytopathology

authors： Lv Q,Xu X,Shang J,Jiang G,Pang Z,Zhou Z,Wang J,Liu Y,Li T,Li X,Xu J,Cheng Z,Zhao X,Li S,Zhu L

更新日期：2013-06-01 00:00:00

abstract：:Yellows diseases, caused by phytopathogenic bacteria of the genus Phytoplasma, are a major threat to grapevines worldwide. Because conventional applications against this pathogen are inefficient and disease management is highly challenging, the use of beneficial bacteria has been suggested as a biocontrol solution. A ...

journal_title：Phytopathology

authors： Iasur-Kruh L,Zahavi T,Barkai R,Freilich S,Zchori-Fein E,Naor V

更新日期：2018-03-01 00:00:00

abstract：:Monilinia fructicola is a fungal pathogen of worldwide significance that causes brown rot of stone fruits. There are only few reports related to the production of biologically active polyketides by this pathogen. In this study, we examined an atypical M. fructicola strain TW5-4 that shows strong antimicrobial activity...

journal_title：Phytopathology

authors： Yu FY,Chiu CM,Lee YZ,Lee SJ,Chou CM,You BJ,Hsieh DK,Lee MR,Lee MH,Bostock RM

更新日期：2020-08-01 00:00:00