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 bacterial leaf blight, also regulates the adaptation to phosphate starvation. Unexpectedly, rice leaves infected by the phoBR-deleted mutant and wild-type PXO99A showed similar lesions, indicating that PhoBR is unnecessary for the virulence of Xoo. phoBR was found to be silenced during host infection, whereas artificially constitutive PhoBR expression attenuated virulence on host rice and growth in phosphate-rich media. RNA-sequencing (RNA-seq) was then performed to investigate the global effect caused by constitutive PhoBR activation. RNA-seq and further experiments revealed that the PhoBR regulon in Xoo comprised a wide range of genes. Nutrient transport and metabolism readjustments that resulted from PhoBR regulon activation may be responsible for growth attenuation. Our findings suggest that growth reduction regulated by PhoBR is a fitness cost of adaptation to phosphate starvation. PhoBR in Xoo is activated under phosphate-limited conditions, which could exist in epiphytic and saprophytic surviving phases, and is strictly repressed within phosphate-rich host plants to minimize fitness costs.
journal_name
Mol Plant Patholjournal_title
Molecular plant pathologyauthors
Zheng D,Xue B,Shao Y,Yu H,Yao X,Ruan Ldoi
10.1111/mpp.12680subject
Has Abstractpub_date
2018-09-01 00:00:00pages
2066-2076issue
9eissn
1464-6722issn
1364-3703journal_volume
19pub_type
杂志文章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 life cycle of the plant pathogen Erwinia amylovora comprises periods inside and outside the host in which it faces oxidative stress caused by hydrogen peroxide (H2 O2 ) and other compounds. The sources of this stress are plant defences, other microorganisms and/or exposure to starvation or other environmental chal...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12577
更新日期:2018-04-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章,评审
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更新日期:2011-12-01 00:00:00
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. ...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12666
更新日期:2018-02-09 00:00:00
abstract::Fusarium oxysporum f. sp. radicis-cucumerinum (Forc) causes severe root rot and wilt in several cucurbit species, including cucumber, melon, and watermelon. Previously, a pathogenicity chromosome, chrRC , was identified in Forc. Strains that were previously nonpathogenic could infect multiple cucurbit species after ob...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12927
更新日期:2020-06-01 00:00:00
abstract::Crop diseases cause significant yield losses, and the use of resistant cultivars can effectively mitigate these losses and control many plant diseases. Most plant resistance (R) genes encode immune receptors composed of nucleotide-binding and leucine-rich repeat (NLR) domains. These proteins mediate the specific recog...
journal_title:Molecular plant pathology
pub_type: 杂志文章,评审
doi:10.1111/mpp.12723
更新日期:2018-11-01 00:00:00
abstract::Several genes in the Agrobacterium tumefaciens transferred (T)-DNA encode proteins that are involved in developmental alterations, leading to the formation of tumours in infected plants. We investigated the role of the protein encoded by the Atu6002 gene, the function of which is completely unknown. Atu6002 expression...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12088
更新日期:2014-04-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2004.00219.x
更新日期:2004-05-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12252
更新日期:2015-12-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2010.00632.x
更新日期:2010-09-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1046/j.1364-3703.2001.00048.x
更新日期:2001-01-01 00:00:00
abstract::Many obligately parasitic pathogens absorb nutrients from host plants via specialized infection structures, called haustoria and infection hyphae, to further colonization and growth in the host plant. In the wheat (Triticum aestivum) stripe rust fungus, Puccinia striiformis f. sp. tritici (Pst), the mitogen-activated ...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12731
更新日期:2018-12-01 00:00:00
abstract::Tobacco vein banding mosaic virus (TVBMV) is a potyvirus which mainly infects solanaceous crops. The helper component proteinase (HCpro) of a potyvirus is an RNA silencing suppressor protein and determines the severity of disease symptoms caused by different potyviruses, including TVBMV. It has been shown that substit...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12471
更新日期:2017-10-01 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
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2007.00437.x
更新日期:2008-01-01 00:00:00
abstract::An understanding of the tolerance mechanisms of Theobroma cacao used against Moniliophthora roreri, the causal agent of frosty pod rot, is important for the generation of stable disease-tolerant clones. A comparative view was obtained of transcript populations of infected pods from two susceptible and two tolerant clo...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12126
更新日期:2014-09-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1046/j.1364-3703.2001.00059.x
更新日期:2001-05-01 00:00:00
abstract::Summary Taxonomic relationship: A member of nonsegmented, negative-sense, single-stranded RNA viruses of the genus Cytorhabdovirus (type member: Lettuce necrotic yellows virus), family Rhabdoviridae, order Mononegavirales. Members of the family Rhabdoviridae can infect vertebrates, invertebrates and plants. Physical p...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1046/j.1364-3703.2000.00041.x
更新日期:2000-11-01 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
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2008.00483.x
更新日期:2008-09-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12574
更新日期:2018-04-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章,评审
doi:10.1111/mpp.12980
更新日期:2020-10-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12589
更新日期:2018-05-01 00:00:00
abstract::Meloidogyne enterolobii is one of the most important plant-parasitic nematodes that can overcome the Mi-1 resistance gene and damage many economically important crops. Translationally controlled tumour protein (TCTP) is a multifunctional protein that exists in various eukaryotes and plays an important role in parasiti...
journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12374
更新日期:2017-01-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1046/j.1464-6722.2001.00079.x
更新日期:2001-11-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1046/j.1364-3703.2000.00028.x
更新日期:2000-07-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12841
更新日期:2019-09-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12648
更新日期:2018-07-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2007.00385.x
更新日期:2007-03-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/j.1364-3703.2005.00274.x
更新日期:2005-03-01 00:00:00
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journal_title:Molecular plant pathology
pub_type: 杂志文章
doi:10.1111/mpp.12085
更新日期:2014-04-01 00:00:00