完整基因组序列分析Bacillus subtilis MC4-2菌株 针对烟草黑病
Chunlan Shi1, Shuquan Zeng1, Xi Gao1
1State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China.
International journal of genomics
|April 3, 2024
概括
从肠中分离出来的 Bacillus subtilis MC4-2 有效地控制了烟草黑病. 它的基因组揭示了对这种生物控制机制至关重要的酶和代谢物.
科学领域:
- 微生物学和农业科学 微生物学和农业科学
- 基因组学和生物信息学
- 生物技术是生物技术.
背景情况:
- 土壤传播的疾病,如烟草,对农业构成重大威胁.
- 生物控制剂为化学农药提供了可持续的替代品.
- 美国周围星球的肠道是新型微生物生物控制剂的潜在来源.
研究的目的:
- 为了隔离和识别一个来自Periplaneta americana的细菌,对烟草有生物控制潜力.黑.
- 鉴定细菌的基因组特征的特征.
- 阐明已识别的菌株的生物控制机制.
主要方法:
- 隔离和净化来自美国周边行星的细菌.
- 使用板块对立测试进行对抗性活动测试.
- 使用16S rRNA和gyrB基因测序,ANI分析和比较基因组学进行细菌鉴定.
- 全基因组测序和分析,包括基因预测和注释 (CAZy数据库).
- 预测二次代谢物集群的情况.
主要成果:
- 鉴定为Bacillus subtilis的MC4-2菌株对烟草黑茎病原体进行了广泛的抑制.
- B. subtilis MC4-2的完整基因组为4,076,630个基因组,其中GC含量为43.78%,CDS为4,207.
- 基因组分析揭示了145个CAZy注释基因,包括碳水化合物降解酶 (GH,CE) 和糖化酶.
- 预测了10个二次代谢物集群,其中6个被确定为已知的生物活性化合物 (表面素,基烯,风素等). ) 的情况.
结论:
- 细菌微型MC4-2是一种有效的生物控制剂,可以对烟草的黑进行防治.
- 基因组数据提供了对酶机制和二次代谢物有助于其生物控制有效性的洞察.
- 这项研究为在农业应用和开发微生物剂中利用B. subtilis MC4-2奠定了理论基础.
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