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Harpin induces disease resistance in Arabidopsis through the systemic acquired resistance pathway mediated by salicylic acid and the NIM1 gene.
- H. Dong, T. Delaney, D. Bauer, S. Beer
- Environmental Science, BiologyThe Plant journal : for cell and molecular…
- 1 October 1999
Harpin elicits disease resistance through the NIM1-mediated SAR signal transduction pathway in an SA-dependent fashion and the site of action of harpin in the SAR regulatory pathway is upstream of SA.
Riboflavin induces disease resistance in plants by activating a novel signal transduction pathway.
The role of riboflavin as an elicitor of systemic resistance and an activator of a novel signaling process in plants was demonstrated, suggesting its ability to trigger a signal transduction pathway that leads to systemic resistance.
Pleiotropic pigmentation mutants of Porphyromonas gingivalis.
Sequencing of genomic DNA flanking the transposon insertions revealed that one class of mutants carried disruptions in the gene encoding Lys-gingipain (kgp) and the other in a gene homologous to a glycosyl transferase, potential roles for these genes in pigmentation, fimbriation, vesicle formation and attachment to epithelial cells are discussed.
Overexpression of the Tamarix hispida ThMT3 gene increases copper tolerance and adventitious root induction in Salix matsudana Koidz.
- Jingli Yang, Zhuo Chen, Chenghao Li
- Environmental SciencePlant Cell, Tissue and Organ Culture (PCTOC)
- 22 January 2015
Transgenic Salix matsudana expressing the Tamarix hispida ThMT3 gene showed increased tolerance to copper (Cu) stress and higher NO release contributed to the induction of adventitious roots under Cu stress.
IL-8 degradation by Porphyromonas gingivalis proteases.
Northern analysis established that infected epithelial cells still expressed IL-8 mRNA, suggesting that the cytokine was destroyed after secretion, and in the presence of a protease inhibitor the loss was significantly retarded, indicating thatIL-8 was degraded by P. gingivalis proteases.
Molecular cloning, functional verification, and evolution of TmPm3, the powdery mildew resistance gene of Triticum monococcum L.
The transient expression of TmPm3 in leaf epidermal cells showed that over-expressed Pm3 could significantly inhibit the penetration of Blumeria graminis f.
The Number of Direct Repeats in hagA Is Variable among Porphyromonas gingivalis Strains
- E. Kozarov, J. Whitlock, H. Dong, E. Carrasco, A. Progulske-Fox
- BiologyInfection and Immunity
- 1 October 1998
Data indicates an interstrain variability of the number of repeat units and hence a size variability ofThe HagA protein of P. gingivalis, but unlike some surface antigens of other pathogenic species, theNumber of repeats remains relatively stable given the conditions of growth tested here.
A novel quantitative mating assay for the fungal pathogen Cryptococcus neoformans provides insight into signalling pathways responding to nutrients and temperature.
Interestingly, the efficiency of mating appeared to be dependent on temperature, being highest at 30 degrees C and almost completely absent at 37 degrees C, suggesting that while mating type itself may be associated with virulence, the ability to mate is probably not a virulence factor.
Rice transcript RIM2 accumulates in response to Magnaporthe grisea and its predicted protein shares similarity with proteins encoded by CACTA transposons.
Results suggested that RIM2 transcription accumulation might be an early rice response to pathogen attack and direct repeats were identified in the 3′ noncoding terminus.
Colonization Dynamics Difference of Acidovorax.citrulli Subgroup I Pslb3 Strains and Subgroup Ii Pslbtw43 Strains in Melon Plants
The colonized ability of subgroup I pSlb3 strains in melon organization was stronger than subgroup II pslbtw43 strains, the colonization ability of both them was weakest in blade.