和获取策略驱动土壤中考古遗产系之间的共存模式
Jun Zhao1, Laibin Huang1, Seemanti Chakrabarti1
1Fort Lauderdale Research and Education Center, Department of Microbiology and Cell Science, University of Florida, Davie, FL, 33314, USA.
The ISME journal
|August 18, 2023
概括
土壤古生物 (Nitrososphaeria) 通过专门从事不同的营养摄取,如氨和,并存. 碳固定等核心功能在各个血统中保持一致,显示出不同土壤环境中的利基分区.
科学领域:
- 微生物生态学 微生物生态学
- 环境微生物学 环境微生物学
- 考古基因组学 考古基因组学
背景情况:
- 土壤是地球上最大的古生物学储存库,其中尼特罗斯菌占据全球土壤古生物学多样性的主导地位.
- 尼特罗斯菌的进化成功与适应各种环境条件有关.
- 在土壤中推动竞争和共存的机制Nitrososphaeria血统并不清楚.
研究的目的:
- 调查土壤中占主导地位的Nitrososphaeria血统之间的竞争和共存的遗传基础.
- 了解生态生理学策略,允许不同的考古遗迹在土壤中壮成长.
主要方法:
- 在土壤中占主导地位的Nitrososphaeria血统中对基因库存和表达特征进行比较分析.
- 与纯种植基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因.
主要成果:
- 主要的土壤Nitrososphaeria系表现出用于营养物质 (氨,尿素,酸盐) 的独特基因配置.
- 参与碳固定,呼吸和ATP合成的基因被保存,并在主要血统中一致表达.
- 在最佳条件下,在位基因表达模式与纯种植数据保持一致.
结论:
- 在土壤中的Nitrososphaeria系中,基于资源的共存模式很明显.
- 不同的营养获取策略表明,对于全球占主导地位的考古遗迹谱系来说,有互补的生态生理学.
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