| 论文题目: | Light signalling mediated by Per-ARNT-Sim domain-containing proteins in Xanthomonas campestris pv. campestris |
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| 作者: | Mao, DQ; Tao, J; Li, CX; Luo, C; Zheng, LL; He, CZ |
| 联系作者: | He, CZ |
| 刊物名称: | FEMS MICROBIOLOGY LETTERS |
| 期: | 1 |
| 卷: | 326 |
| 页: | 31-39 |
| 年份: | 2012 |
| 影响因子: | 2.044 |
| 论文下载: | 下载地址 |
| 摘要: | Per-ARNT-Sim (PAS) domains are important signalling modules that possibly monitor changes in various stimuli such as light. For the majority of PAS domains that have been identified by sequence similarity, the biological function of the signalling pathways has not yet been experimentally investigated. Thirty-three PAS proteins were discovered in Xanthomonas campestris pv. campestris (Xcc) by genome/proteome analysis. Thirteen PAS proteins were identified as contributing to light signalling and Xcc growth, motility or virulence using molecular genetics and bioinformatics methods. The PAS domains played important roles in light signalling to regulate the growth, motility and virulence of Xcc. They might be regulated by not only light quality (wavelength) but also quantity (intensity) as potential light-signalling components. Evaluating the light wavelength, three light-signalling types of PAS proteins in Xcc were shown to be involved in blue light signalling, tricolour (blue, red and far-red) signalling or red/far-red signalling. This showed that Xcc had evolved a complicated light-signalling system to adapt to a complex environment. |
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