Abstract:
:Pratylenchus penetrans is one of the most important species of root lesion nematodes (RLNs) because of its detrimental and economic impact in a wide range of crops. Similar to other plant-parasitic nematodes (PPNs), P. penetrans harbours a significant number of secreted proteins that play key roles during parasitism. Here, we combined spatially and temporally resolved next-generation sequencing datasets of P. penetrans to select a list of candidate genes aimed at the identification of a panel of effector genes for this species. We determined the spatial expression of transcripts of 22 candidate effectors within the oesophageal glands of P. penetrans by in situ hybridization. These comprised homologues of known effectors of other PPNs with diverse putative functions, as well as novel pioneer effectors specific to RLNs. It is noteworthy that five of the pioneer effectors encode extremely proline-rich proteins. We then combined in situ localization of effectors with available genomic data to identify a non-coding motif enriched in promoter regions of a subset of P. penetrans effectors, and thus a putative hallmark of spatial expression. Expression profiling analyses of a subset of candidate effectors confirmed their expression during plant infection. Our current results provide the most comprehensive panel of effectors found for RLNs. Considering the damage caused by P. penetrans, this information provides valuable data to elucidate the mode of parasitism of this nematode and offers useful suggestions regarding the potential use of P. penetrans-specific target effector genes to control this important pathogen.
journal_name
Mol Plant Patholjournal_title
Molecular plant pathologyauthors
Vieira P,Maier TR,Eves-van den Akker S,Howe DK,Zasada I,Baum TJ,Eisenback JD,Kamo Kdoi
10.1111/mpp.12666subject
Has Abstractpub_date
2018-02-09 00:00:00eissn
1464-6722issn
1364-3703pub_type
杂志文章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
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2007.00394.x
更新日期:2007-05-01 00:00:00
abstract::Black spot disease, which is caused by the ascomycete Diplocarpon rosae, is the most severe disease in field-grown roses in temperate regions and has been distributed worldwide, probably together with commercial cultivars. Here, we present data indicating that muRdr1A is the active Rdr1 gene, a single-dominant TIR-NBS...
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pub_type: 杂志文章
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更新日期:2018-05-01 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
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2004.00212.x
更新日期:2004-03-01 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
pub_type: 杂志文章
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更新日期:2005-01-01 00:00:00
abstract::Botrytis cinerea is a necrotrophic fungus that infects a wide range of fruit, vegetable and flower crops. Penetration of the host cuticle occurs via infection structures that are formed in response to appropriate plant surface signals. The differentiation of these structures requires a highly conserved mitogen-activat...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12234
更新日期:2015-10-01 00:00:00
abstract::The basal ascomycetes in genus Taphrina have strict host specificity and coevolution with their host plants, making them appealing models for studying the genomic basis of ecological divergence and host adaption. We therefore performed genome sequencing and comparative genomics of different Taphrina species with disti...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12899
更新日期:2020-03-01 00:00:00
abstract::Gene silencing exists in eukaryotic organisms as a conserved regulation of the gene expression mechanism. In general, small RNAs (sRNAs) are produced within the eukaryotic cells and incorporated into an RNA-induced silencing complex (RISC) within cells. However, exogenous sRNAs, once delivered into cells, can also sil...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12863
更新日期:2019-11-01 00:00:00
abstract::Viruses commonly modify host endomembranes to facilitate biological processes in the viral life cycle. Infection by viruses belonging to the genus Bymovirus (family Potyviridae) has long been known to induce the formation of large membranous inclusion bodies in host cells, but their assembly and biological roles are s...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12109
更新日期:2014-06-01 00:00:00
abstract::Summary There is evidence that the necrotrophic fungal pathogen Botrytis cinerea is exposed to oxidative processes within plant tissues. The pathogen itself also generates active oxygen species and H(2)O(2) as pathogenicity factors. Our aim was to study how the pathogen may defend itself against cellular damage caused...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1046/j.1364-3703.2002.00114.x
更新日期:2002-07-01 00:00:00
abstract::The two-component signal transduction system PhoBR regulates the adaptation to phosphate limitation and the virulence of many animal bacterial pathogens. However, PhoBR in phytopathogens has rarely been investigated. In this study, we found that PhoBR in Xanthomonas oryzae pv. oryzae (Xoo), the pathogen of rice bacter...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12680
更新日期:2018-09-01 00:00:00
abstract::Frosty pod rot (FPR) of Theobroma cacao (cacao) is caused by the hemibiotrophic fungus Moniliophthora roreri. Cacao clones tolerant to FPR are being planted throughout Central America. To determine whether M. roreri shows a differential molecular response during successful infections of tolerant clones, we collected f...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12134
更新日期:2014-09-01 00:00:00
abstract::The expression pattern of pathogenesis-related genes PR-1 to PR-5 was examined in the roots and leaves of Arabidopsis thaliana plants on infection with beet-cyst (Heterodera schachtii) and root-knot (Meloidogyne incognita) nematodes. During H. schachtii parasitism of Arabidopsis, the expression of PR-1, PR-2 and PR-5,...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2010.00675.x
更新日期:2011-05-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2006.00340.x
更新日期:2006-09-01 00:00:00
abstract::In plants, RNA silencing is a surveillance mechanism against invading viruses. It involves the production of virus-derived small interfering RNAs (vsiRNAs), which guide the RNA-induced silencing complex (RISC) to inactivate viruses. vsiRNAs may also promote the silencing of host mRNAs in a sequence-specific manner. In...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2012.00828.x
更新日期:2013-01-01 00:00:00
abstract::Xanthomonas oryzae pv. oryzae (Xoo) causes bacterial blight, a serious disease of rice. Xoo secretes a repertoire of cell wall-degrading enzymes, including cellulases, xylanases and pectinases, to degrade various polysaccharide components of the rice cell wall. A secreted Xoo cellulase, CbsA, is not only a key virulen...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12620
更新日期:2018-06-01 00:00:00
abstract::Plant natriuretic peptides (PNPs) have been implicated in the regulation of ions and water homeostasis, and their participation in the plant immune response has also been proposed. Xanthomonas citri ssp. citri contains a gene encoding a PNP-like protein (XacPNP) which has no homologues in other bacteria. XacPNP mimics...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12560
更新日期:2018-04-01 00:00:00
abstract::Systemic acquired resistance (SAR) is a potent plant defence system that, in response to a first contact with a plant pathogen, prepares the whole plant for subsequent attacks, so that it becomes more resistant to the same and to other pathogens. BcSpl1, a cerato-platanin family protein abundantly secreted by Botrytis...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2012.00842.x
更新日期:2013-02-01 00:00:00
abstract::The fungal cereal pathogen Fusarium graminearum produces deoxynivalenol (DON) during infection. The mycotoxin DON is associated with Fusarium head blight (FHB), a disease that can cause vast grain losses. Whilst investigating the suitability of Brachypodium distachyon as a model for spreading resistance to F. graminea...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12203
更新日期:2015-06-01 00:00:00
abstract::Summary Lettuce infectious yellows virus (LIYV)-infected plants contain a heterogeneous population of defective RNAs (D RNAs) derived from LIYV genomic RNA 2. To partly address how LIYV D RNAs are generated, in vitro synthesized transcripts corresponding to the LIYV genomic RNAs 1 and 2 were inoculated to protoplasts,...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1046/j.1364-3703.2002.00125.x
更新日期:2002-09-01 00:00:00
abstract::SUMMARY Brachiaria is a pan-tropical genus of grasses with about 100 species. The fungus Acremonium implicatum can develop an endophytic association that is mutually beneficial with Brachiaria species. We developed a polymerase chain reaction (PCR)-based method by first amplifying DNA from A. implicatum isolates using...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1046/j.1364-3703.2003.00157.x
更新日期:2003-03-01 00:00:00
abstract::The analysis of the interaction between Arabidopsis thaliana and adapted (PcBMM) and nonadapted (Pc2127) isolates of the necrotrophic fungus Plectosphaerella cucumerina has contributed to the identification of molecular mechanisms controlling plant resistance to necrotrophs. To characterize the pathogenicity bases of ...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2012.00826.x
更新日期:2013-01-01 00:00:00
abstract::The single-stranded, positive-sense RNA genome of viruses in the genus Potyvirus encodes a large polyprotein that is cleaved to yield 10 mature proteins. The first three cleavage products are P1, HCpro and P3. An additional short open reading frame (ORF), called pipo, overlaps the P3 region of the polyprotein ORF. Fou...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12366
更新日期:2016-09-01 00:00:00
abstract::The type III secretion system (T3SS) is required for Xanthomonas citri subsp. citri (Xcc) virulence by translocating effectors into host cytoplasm to promote disease development. The T3SS is controlled by the master transcriptional regulators HrpG and HrpX. While the function of HrpG and HrpX are well characterized, t...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12786
更新日期:2019-05-01 00:00:00
abstract::Resistance genes (R genes) in plants mediate a highly specific response to microbial pathogens, often culminating in localized cell death. Such resistance is generally pathogen race specific and believed to be the result of evolutionary selection pressure. Where a host and pathogen do not share an evolutionary history...
journal_title:Molecular plant pathology
pub_type: 杂志文章,评审
doi:10.1111/mpp.12331
更新日期:2016-06-01 00:00:00
abstract::Transcriptional regulators are key players in pathways that allow bacteria to alter gene expression in response to environmental conditions. However, work to understand how such transcriptional regulatory networks interact in bacterial plant pathogens is limited. Here, in the phytopathogen Xanthomonas campestris, we d...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12739
更新日期:2019-01-01 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
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2007.00454.x
更新日期:2008-03-01 00:00:00
abstract::MicroRNA-like RNAs (milRNAs) post-transcriptionally down-regulate target genes. We investigated Fusarium graminearum (Fg) milRNA expression during fungal vegetative growth and infection of wheat. Small RNA sequencing identified 36 milRNAs from Fg, one of which, Fgmil-2, had >100 transcripts per million in conidia, myc...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12859
更新日期:2019-11-01 00:00:00
abstract::SUMMARY Two of the currently widely accepted species in the section Nigrescentia of the genus Verticillium are major plant pathogens inducing wilt diseases in a wide range of mainly dicotyledonous hosts. Three species closely related to these two are less important wilt pathogens and soil saprophytes. A sixth species,...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1046/j.1364-3703.2003.00172.x
更新日期:2003-07-01 00:00:00
abstract::Tomato leaf curl New Delhi virus (ToLCNDV) infection causes significant yield loss in tomato. The availability of a conventional tolerance source against this virus is limited in tomato. To understand the molecular mechanism of virus tolerance in tomato, the abundance of viral genomic replicative intermediate molecule...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2010.00630.x
更新日期:2010-07-01 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
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2009.00546.x
更新日期:2009-07-01 00:00:00