نتایج جستجو برای: pantoea stewartii subsp indologenes
تعداد نتایج: 16400 فیلتر نتایج به سال:
Salicylic acid (SA)-mediated host immunity plays a central role in combating microbial pathogens in plants. Inactivation of SA-mediated immunity, therefore, would be a critical step in the evolution of a successful plant pathogen. It is known that mutations in conserved effector loci (CEL) in the plant pathogens Pseudomonas syringae (the Delta CEL mutation), Erwinia amylovora (the dspA/E mutati...
Stewart’s disease, caused by Pantoea stewartii (Smith), can cause severe economic damage to seed and sweet corn crops due to phytosanitary regulations that prevent the export of seed corn, as well as causing direct reductions in yield. To date, there are no quantitative data on the aggressiveness of P. stewartii isolates at the plant scale, nor on the temporal and spatial spread of this pathoge...
The hrp type III secretion regulon of Pantoea stewartii is regulated by a cascade involving the HrpX/HrpY two-component system, the HrpS enhancer-binding protein and the HrpL alternate sigma factor. hrpXY is both constitutive and autoregulated; HrpY controls hrpS; and HrpS activates hrpL. These regulatory genes are arranged in the order hrpL, hrpXY and hrpS and constitute three operons. This st...
A 2019 bp DNA fragment containing the replicon of pSW800 from Pantoea stewartii SW2 was cloned and characterized. This replicon contains two genes--repA and repB, which encode a 36.5 kDa replication initiation protein (RepA) and a peptide of 18 aa, respectively. These two genes overlap by 8 bases with repB situated upstream. The replicon also transcribes an antisense RNA (RNAI) that inhibits th...
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