The metagenomics of soil bacteria and fungi and the release of mechanical dormancy in hard seeds

doi:10.3389/fpls.2023.1187614

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	The metagenomics of soil bacteria and fungi and the release of mechanical dormancy in hard seeds
	Wu,Yu; Sun,Xiao-Rui; Pritchard,Hugh W.; Shen,Yong-Bao; Wu,Xiao-Qin; Peng,Chen-Yin
	2023
发表期刊	FRONTIERS IN PLANT SCIENCE
卷号	14 页码:1187614
摘要	Persistence in the soil is a function of seed physiology, particularly non-germination and inherent lifespan. However, for seeds with mechanical dormancy, non-germination is also a function of the composition and activity of the soil microbiota. We attempted to screen out microorganisms in the soil that can specifically and rapidly decompose the hard fruit pericarps of Tilia miqueliana Maxim., a unique native tree species in China. Using the classical replica plating method, more than 100 different culturable microorganisms that could rapidly erode the pericarp were collected from the surface of pericarps under different culture conditions. At the same time, we successfully extended the concept of metagenomics and applied it to the identification of mixed artificial cultures. The decomposition process of the pericarps in soil was also simulated artificially. The physical and chemical data suggested a potential mechanism of microbial scarification and cracking in pericarp, whilst the embryos inside the eroded fruits retained good viability. Our discoveries could pave the way for the removal of physical and mechanical obstacles that prevent hard coat seeds from germinating. We anticipate that the use of this technology will improve the germination of other hard coat seeds. More research is needed to investigate the impacts on other seeds. The findings of this research can inform the design of experiments on the seed ecology of persistence.
关键词	hard coat seeds mechanical dormancy breaking soil microorganisms seed viability species identification microbial scarification and cracking in pericarp GERMINATION MICROORGANISMS LIGNIN SYSTEM SUGARS L.
学科领域	Plant Sciences
DOI	10.3389/fpls.2023.1187614
WOS记录号	WOS:001025967100001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/74982
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Wu,Yu,Sun,Xiao-Rui,Pritchard,Hugh W.,et al. The metagenomics of soil bacteria and fungi and the release of mechanical dormancy in hard seeds[J]. FRONTIERS IN PLANT SCIENCE,2023,14:1187614.
APA	Wu,Yu,Sun,Xiao-Rui,Pritchard,Hugh W.,Shen,Yong-Bao,Wu,Xiao-Qin,&Peng,Chen-Yin.(2023).The metagenomics of soil bacteria and fungi and the release of mechanical dormancy in hard seeds.FRONTIERS IN PLANT SCIENCE,14,1187614.
MLA	Wu,Yu,et al."The metagenomics of soil bacteria and fungi and the release of mechanical dormancy in hard seeds".FRONTIERS IN PLANT SCIENCE 14(2023):1187614.

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