abstract：:In all fungi studied so far, mitogen-activated protein (MAP) kinase cascades serve as central signalling complexes that are involved in various aspects of growth, stress response and infection. In this work, putative components of the yeast Fus3/Kss1-type MAP kinase cascade and the putative downstream transcription fa...

journal_title：Molecular plant pathology

authors： Schamber A,Leroch M,Diwo J,Mendgen K,Hahn M

更新日期：2010-01-01 00:00:00

abstract：:Cloning the first avirulence (avr) gene has led not only to a deeper understanding of gene-for-gene interactions in plant disease, but also to fundamental insights into the suppression of basal defences against microbial attack. This article (focusing on Pseudomonas syringae) charts the development of ideas and resear...

journal_title：Molecular plant pathology

authors： Mansfield JW

更新日期：2009-11-01 00:00:00

abstract：:Efficient nutrient acquisition is critical to the fitness of plant pathogens. To address how the late blight agent Phytophthora infestans adapts to nutrients offered by its hosts, genes in glycolytic, gluconeogenic and amino acid pathways were mined from its genome and their expression in different plant tissues and a...

journal_title：Molecular plant pathology

authors： Judelson HS,Tani S,Narayan RD

更新日期：2009-11-01 00:00:00

abstract：:SUMMARY The Bipolaris sorokiniana tolerant 1 (bst1) barley mutant is derived from fast neutron-irradiated seeds of wild-type Bowman(Rph3). The induced mutation was genetically localized to a position on chromosome 5HL distal to the centromere using amplified fragment length polymorphism markers. In addition, the defen...

journal_title：Molecular plant pathology

authors： Persson M,Falk A,Dixelius C

更新日期：2009-09-01 00:00:00

abstract：:Because of their highly ordered structure, mature viroid RNA molecules are assumed to be resistant to degradation by RNA interference (RNAi). In this article, we report that transgenic tomato plants expressing a hairpin RNA (hpRNA) construct derived from Potato spindle tuber viroid (PSTVd) sequences exhibit resistance...

journal_title：Molecular plant pathology

authors： Schwind N,Zwiebel M,Itaya A,Ding B,Wang MB,Krczal G,Wassenegger M

更新日期：2009-07-01 00:00:00

abstract：:Triggering of defences by microbes has mainly been investigated using single elicitors or microbe-associated molecular patterns (MAMPs), but MAMPs are released in planta as complex mixtures together with endogenous oligogalacturonan (OGA) elicitor. We investigated the early responses in Arabidopsis of calcium influx a...

journal_title：Molecular plant pathology

authors： Aslam SN,Erbs G,Morrissey KL,Newman MA,Chinchilla D,Boller T,Molinaro A,Jackson RW,Cooper RM

更新日期：2009-05-01 00:00:00

abstract：:Using simple sequence repeat (SSR) and amplified fragment length polymorphism (AFLP) marker analyses, the genetic structure of selected South African wheat stem rust races was compared with Ug99. SSR analysis divided the population into two distinct groups with 24.5% similarity between them. A local race, UVPgt55 (Nor...

journal_title：Molecular plant pathology

authors： Visser B,Herselman L,Pretorius ZA

更新日期：2009-03-01 00:00:00

abstract：:The vascular pathogen Xanthomonas oryzae pv. oryzae (Xoo) and nonvascular pathogen Xanthomonas oryzae pv. oryzicola (Xoc) cause bacterial blight (BB) and bacterial leaf streak (BLS) diseases of rice, respectively. We have previously identified the avirulence gene avrXa27 from Xoo PXO99(A), which specifically induces t...

journal_title：Molecular plant pathology

authors： Tian D,Yin Z

更新日期：2009-01-01 00:00:00

abstract：:Successful host-pathogen interactions require the presence, maintenance and expression of gene cassettes called 'pathogenicity islands' (PAIs) and 'metabolic islands' (MAIs) in the respective pathogen. The products of these genes confer on the pathogen the means to recognize their host(s) and to efficiently evade host...

journal_title：Molecular plant pathology

authors： Kado CI

更新日期：2009-01-01 00:00:00

abstract：:Cyclic di-GMP [(bis-(3'-5')-cyclic di-guanosine monophosphate)] is an almost ubiquitous second messenger in bacteria that is implicated in the regulation of a range of functions that include developmental transitions, aggregative behaviour, adhesion, biofilm formation and virulence. Comparatively little is known about...

journal_title：Molecular plant pathology

authors： McCarthy Y,Ryan RP,O'Donovan K,He YQ,Jiang BL,Feng JX,Tang JL,Dow JM

更新日期：2008-11-01 00:00:00

abstract：:Sweet potato chlorotic stunt virus (SPCSV; genus Crinivirus, family Closteroviridae) is one of the most important pathogens of sweet potato (Ipomoea batatas L.). It can reduce yields by 50% by itself and cause various synergistic disease complexes when co-infecting with other viruses, including sweet potato feathery m...

journal_title：Molecular plant pathology

authors： Kreuze JF,Klein IS,Lazaro MU,Chuquiyuri WJ,Morgan GL,Mejía PG,Ghislain M,Valkonen JP

更新日期：2008-09-01 00:00:00

abstract：:Homologous recombination is required for gene-targeted procedures such as gene disruption and gene replacement. Ku80 is part of the non-homologous end-joining DNA repair mechanism in many organisms. We identified and disrupted the Ku80 homologue in Sclerotinia sclerotiorum and generated heterokaryon mutants enriched w...

journal_title：Molecular plant pathology

authors： Levy M,Erental A,Yarden O

更新日期：2008-09-01 00:00:00

abstract：:The translocation of Melon necrotic spot virus (MNSV) within tissues of inoculated and systemically infected Cucumis melo L. 'Galia' was studied by tissue-printing and in situ hybridization techniques. The results were compatible with the phloem vascular components being used to spread MNSV systemically by the same as...

journal_title：Molecular plant pathology

authors： Gosalvez-Bernal B,Genoves A,Navarro JA,Pallas V,Sanchez-Pina MA

更新日期：2008-07-01 00:00:00

abstract：:Tissue alkalinization during Colletotrichum gloeosporioides attack enhances the expression of PELB, which encodes pectate lyase (PL), and PL secretion, which is considered essential for full virulence. We studied the regulation of PL secretion by manipulation of C. gloeosporioides PELB. PELB was down-regulated by knoc...

journal_title：Molecular plant pathology

authors： Miyara I,Shafran H,Kramer Haimovich H,Rollins J,Sherman A,Prusky D

更新日期：2008-05-01 00:00:00

abstract：:The cellular outcome of changes in nitrogen availability in the context of development and early stages of pathogenicity was studied by quantitative analysis of two-dimensional gel electrophoresis of Colletotrichum acutatum infecting strawberry. Significant alterations occurred in the abundance of proteins synthesized...

journal_title：Molecular plant pathology

authors： Brown SH,Yarden O,Gollop N,Chen S,Zveibil A,Belausov E,Freeman S

更新日期：2008-03-01 00:00:00

abstract：:In addition to the important role of abscisic acid (ABA) in abiotic stress signalling, basal and high ABA levels appear to have a negative effect on disease resistance. Using the ABA-deficient sitiens tomato (Solanum lycopersicum) mutant and different application methods of exogenous ABA, we demonstrated the influence...

journal_title：Molecular plant pathology

authors： Asselbergh B,Achuo AE,Höfte M,Van Gijsegem F

更新日期：2008-01-01 00:00:00

abstract：:SUMMARY The pinewood nematode (PWN), Bursaphelenchus xylophilus, is a major pathogen of conifers, which impacts on forest health, natural ecosystem stability and international trade. As a consequence, it has been listed as a quarantine organism in Europe. A real-time PCR approach based on TaqMan chemistry was develope...

journal_title：Molecular plant pathology

authors： François C,Castagnone C,Boonham N,Tomlinson J,Lawson R,Hockland S,Quill J,Vieira P,Mota M,Castagnone-Sereno P

更新日期：2007-11-01 00:00:00

abstract：UNLABELLED:The Oomycete genus Aphanomyces houses plant and animal pathogens found in both terrestrial and aquatic habitats. Aphanomyces euteiches Drechs. causes seedling damping off and root rot diseases on many legumes. It is the most devastating pea (Pisum sativum) disease in several countries, causing up to 80% loss...

journal_title：Molecular plant pathology

authors： Gaulin E,Jacquet C,Bottin A,Dumas B

更新日期：2007-09-01 00:00:00

abstract：:SUMMARY It is becoming increasingly evident that a plant-pathogen interaction may be compared to an open warfare, whose major weapons are proteins synthesized by both organisms. These weapons were gradually developed in what must have been a multimillion-year evolutionary game of ping-pong. The outcome of each battle ...

journal_title：Molecular plant pathology

authors： Ferreira RB,Monteiro S,Freitas R,Santos CN,Chen Z,Batista LM,Duarte J,Borges A,Teixeira AR

更新日期：2007-09-01 00:00:00

abstract：SUMMARY:To acquire iron from plant hosts, fungal pathogens have evolved at least two pathways for iron uptake. One system is hinged on the secretion and subsequent uptake of low-molecular-weight iron chelators termed siderophores, while the other uses cell-surface reductases to solubilize ferric iron by reducing it to ...

journal_title：Molecular plant pathology

authors： Greenshields DL,Liu G,Feng J,Selvaraj G,Wei Y

更新日期：2007-07-01 00:00:00

abstract：:SUMMARY The cell wall, a strong extraprotoplasmic layer surrounding plant cells that mainly consists of a variety of polysaccharides, constitutes a major barrier for potential parasites. Plant-parasitic nematodes are well equipped to overcome this barrier as they produce and secrete cell-wall-degrading enzymes. Expres...

journal_title：Molecular plant pathology

authors： Kudla U,Milac AL,Qin L,Overmars H,Roze E,Holterman M,Petrescu AJ,Goverse A,Bakker J,Helder J,Smant G

更新日期：2007-05-01 00:00:00

abstract：:SUMMARY Annexins are calcium-binding proteins that have been associated in plants with different biological processes such as responses to abiotic stress and early nodulation stages. Until now, the implication of annexins during plant-pathogen interactions has not been reported. Here, a novel plant annexin gene induce...

journal_title：Molecular plant pathology

authors： Vandeputte O,Lowe YO,Burssens S,VAN Raemdonck D,Hutin D,Boniver D,Geelen D,El Jaziri M,Baucher M

更新日期：2007-03-01 00:00:00

abstract：:SUMMARY The phytotoxin coronatine (COR) contributes to the virulence of Pseudomonas syringae pv. tomato (Pst) strain DC3000 on Arabidopsis thaliana and tomato. However, little is known regarding the role of COR in the virulence of DC3000 on cultivated Brassica spp. In this study, the role of COR and its precursors, co...

journal_title：Molecular plant pathology

authors： Elizabeth SV,Bender CL

更新日期：2007-01-01 00:00:00

abstract：:SUMMARY Fusarium graminearum is the main causative agent of Fusarium head blight on small grain cereals and of ear rot on maize. The disease leads to dramatic yield losses and to an accumulation of mycotoxins. The most dominant F. graminearum mycotoxins are the trichothecenes, with deoxynivalenol and nivalenol being t...

journal_title：Molecular plant pathology

authors： Maier FJ,Miedaner T,Hadeler B,Felk A,Salomon S,Lemmens M,Kassner H,Schäfer W

更新日期：2006-11-01 00:00:00

abstract：:SUMMARY As in many fungi, asexual reproduction of Mycosphaerella graminicola in planta is a complex process that requires proper differentiation of the infectious hyphae in the substomatal cavities of foliar tissue before pycnidia with conidia can be formed. In this study, we have investigated the role of the cAMP sig...

journal_title：Molecular plant pathology

authors： Mehrabi R,Kema GH

更新日期：2006-11-01 00:00:00

abstract：:SUMMARY We previously reported that cell wall protein fractions (CWPs) of the biocontrol agent Pythium oligandrum have elicitor properties in sugar beet and wheat. Here we have examined the effect of treatment with the D-type of CWP, a fraction that contains two major forms (POD-1 and POD-2), on the induction of defen...

journal_title：Molecular plant pathology

authors： Takenaka S,Nakamura Y,Kono T,Sekiguchi H,Masunaka A,Takahashi H

更新日期：2006-09-01 00:00:00

abstract：:SUMMARY We sought to identify Fusarium oxysporum f. sp. vasinfectum (Fov) genes that may be associated with pathogenicity. Initially we utilized microarray and Q-PCR technology to identify Fov genes expressed in root and hypocotyl tissues during a compatible infection of cotton. We identified 218 fungal clones represe...

journal_title：Molecular plant pathology

authors： McFadden HG,Wilson IW,Chapple RM,Dowd C

更新日期：2006-03-01 00:00:00

abstract：:SUMMARY Here, we consider the barley powdery mildew fungus, Blumeria graminis (DC Speer) f.sp. hordei (Marchal), and review recent research which has added to our understanding of the biology and molecular biology which underpins the asexual life cycle of this potentially devastating pathogen. We focus on the early st...

journal_title：Molecular plant pathology

authors： Zhang Z,Henderson C,Perfect E,Carver TL,Thomas BJ,Skamnioti P,Gurr SJ

更新日期：2005-09-01 00:00:00

abstract：:SUMMARY Recent studies have shown that resistance in several dicotyledonous plants to viruses in the genus Potyvirus is controlled by recessive alleles of the plant translation initiation factor eIF4E or eIF(iso)4E genes. Here we provide evidence that the barley rym4 gene locus, controlling immunity to viruses in the ...

journal_title：Molecular plant pathology

authors： Kanyuka K,Druka A,Caldwell DG,Tymon A,McCallum N,Waugh R,Adams MJ

更新日期：2005-07-01 00:00:00

abstract：:SUMMARY Promoter activity of ABI3 and of three LEA genes was monitored in Arabidopsis transgenics infected with Heterodera schachtii and Meloidogyne incognita. ABI3::GUS expression was induced (in four different promoter deletion constructs) during early infection stages with H. schachtii. Similar GUS expression patte...

journal_title：Molecular plant pathology

authors： DE Meutter J,Robertson L,Parcy F,Mena M,Fenoll C,Gheysen G

更新日期：2005-05-01 00:00:00

abstract：:SUMMARY The discovery of an endoplasmic reticulum (ER) retrieval motif at the C-terminus of the predicted Cf-9 resistance protein suggested that Cf-9 might function in the ER. To test whether Cf-9 could detect its cognate avirulence protein, Avr9, from the ER, variants of Avr9 with the ER retrieval motifs KDEL or HDEL...

journal_title：Molecular plant pathology

authors： Wilson RJ,Baillie BK,Jones DA

更新日期：2005-03-01 00:00:00

abstract：:SUMMARY The phytotoxin coronatine is a jasmonate mimic produced by Pseudomonas syringae pv. tomato (Pst). Coronatine acts as a virulence factor in Arabidopsis and mutants insensitive to coronatine are resistant to Pst and have higher levels of salicylic acid (SA). In this work we used the SA-deficient lines NahG and s...

journal_title：Molecular plant pathology

authors： Block A,Schmelz E,Jones JB,Klee HJ

更新日期：2005-01-01 00:00:00

abstract：:SUMMARY The genus Botrytis contains necrotrophic plant pathogens that have a wide host range (B. cinerea) or are specialized on a single host species, e.g. B. elliptica on lily. In this study, it was found that B. elliptica-induced cell death of lily displays hallmark features of animal programmed cell death or apopto...

journal_title：Molecular plant pathology

authors： VAN Baarlen P,Staats M,VAN Kan JA

更新日期：2004-11-01 00:00:00

abstract：:SUMMARY The hxc1 mutant was identified by screening an EMS (ethylmethane sulphonate) mutagenized population of Arabidopsis Col-0 plants for an altered hypersensitive response (HR), after spray inoculation with an HR-inducing isolate of Xanthomonas campestris pv. campestris (Xcc) (strain 147). The hxc1 mutant shows a s...

journal_title：Molecular plant pathology

authors： Lummerzheim M,Kroj T,Ferreira M,Tronchet M,Godard F,VAN Montagu M,Roby D

更新日期：2004-09-01 00:00:00

abstract：:SUMMARY Lipopolysaccharides (LPS) are indispensable cell surface components of Gram-negative bacteria and have diverse roles in plant-microbe interactions. Treatment of Nicotiana tabacum with the LPS of an endophytic strain of Burkholderia cepacia results in an enhanced defensive capacity in the tissue. In this study ...

journal_title：Molecular plant pathology

authors： Piater LA,Nürnberger T,Dubery IA

更新日期：2004-07-01 00:00:00

abstract：:SUMMARY The infection of plants by pathogenic microbes and the subsequent establishment of disease involves substantial changes in the biochemistry and physiology of both partners. Analysis of genes that are expressed during these interactions represents a powerful strategy to obtain insights into the molecular events...

journal_title：Molecular plant pathology

authors： Guilleroux M,Osbourn A

更新日期：2004-05-01 00:00:00

abstract：:SUMMARY We describe the use of degenerate primers to amplify the core hrp/hrc region of P. syringae pv. phaseolicola NPS3121. 18 826 bp were amplified using long-range PCR, digested and shotgun sequenced. Sequence analysis finds a hypervariable region between the hrpU and hrpC operons, and indications of positive sele...

journal_title：Molecular plant pathology

authors： Gropp SJ,Guttman DS

更新日期：2004-03-01 00:00:00

abstract：:SUMMARY Transgenic peas containing a copy of the Pea seed-borne mosaic virus (PSbMV) isolate DPD1 NIb sequence develop a 'recovery' phenotype when challenged with either the homologous (DPD1) or a heterologous (NY) PSbMV isolate. However, the specificity of the subsequent resistance differs with respect to the initiat...

journal_title：Molecular plant pathology

authors： Van Den Boogaart T,Maule AJ,Davies JW,Lomonossoff GP

更新日期：2004-01-01 00:00:00

abstract：:SUMMARY Pathogenic fungi have successfully attacked a wide range of hosts, which has forced them into ambient-adaptation. pH is one of the major ambient traits affecting the activity of pathogenicity factors secreted by the pathogen, hence, a pH sensing-response system was developed to enable the pathogen to tailor it...

journal_title：Molecular plant pathology

authors： Prusky D,Yakoby N

更新日期：2003-11-01 00:00:00

abstract：:SUMMARY Pathogenicity islands (PAIs) were first described in uropathogenic E. coli. They are now defined as regions of DNA that contain virulence genes and are present in the genome of pathogenic strains, but absent from or only rarely present in non-pathogenic variants of the same or related strains. Other features i...

journal_title：Molecular plant pathology

authors： Arnold DL,Pitman A,Jackson RW

更新日期：2003-09-01 00:00:00