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On September 1, the Shenzhen Institute of Agricultural Genomics of the Chinese Academy of Agricultural Sciences and eight scientific research institutes inside and outside the United Nations mapped the clematis genome for the first time, revealing molecular mechanisms
such as spore development, true leaf plant origin and seed evolution, and jasmonin signaling pathway evolution.
The results of the study were published in Nature Plants
.
such as spore development, true leaf plant origin and seed evolution, and jasmonin signaling pathway evolution.
The results of the study were published in Nature Plants
.
True fern plants are characterized by the ability of both sporophytes and gametophytes to photosynthetic autotrophicity, of which 99% of true ferns are homozygous true
ferns.
Clematis (Adiantum capillus-veneris L.
) is one of the representative homospore euphrains and is often studied
as a model organism.
The researchers assembled the Clematis genome and obtained the first clematis high-quality chromosome-level reference genome, splicing the genome to 4.
83 Gb, covering 97.
58% of the genome, with a number of 30
chromosomes.
Through metabolomics and transcriptomics data analysis, the researchers found that the BRI1-BRL gene family of euphyll plants is significantly expressed in petioles and leaves with rich distribution in vascular bundles, and the expansion of this gene subfamily is likely to be related to the origin of the euphylla vascular system, which is the molecular dynamic
that promotes the complication of the vascular system of euphyllum plants and thus produces euphyllum.
In addition, the researchers also found two types of jasmonin active molecules OPDA and JA-Ile in clematis, and elucidated the change law of these two types of active molecules and secondary metabolites in vivo, explaining the reasons for the high insect resistance of
ferns.
ferns.
Clematis (Adiantum capillus-veneris L.
) is one of the representative homospore euphrains and is often studied
as a model organism.
The researchers assembled the Clematis genome and obtained the first clematis high-quality chromosome-level reference genome, splicing the genome to 4.
83 Gb, covering 97.
58% of the genome, with a number of 30
chromosomes.
Through metabolomics and transcriptomics data analysis, the researchers found that the BRI1-BRL gene family of euphyll plants is significantly expressed in petioles and leaves with rich distribution in vascular bundles, and the expansion of this gene subfamily is likely to be related to the origin of the euphylla vascular system, which is the molecular dynamic
that promotes the complication of the vascular system of euphyllum plants and thus produces euphyllum.
In addition, the researchers also found two types of jasmonin active molecules OPDA and JA-Ile in clematis, and elucidated the change law of these two types of active molecules and secondary metabolites in vivo, explaining the reasons for the high insect resistance of
ferns.
The research has been funded
by the National Natural Science Foundation of China and the Science and Technology Innovation Project of the Chinese Academy of Agricultural Sciences.
by the National Natural Science Foundation of China and the Science and Technology Innovation Project of the Chinese Academy of Agricultural Sciences.
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