التفاصيل البيبلوغرافية
| العنوان: |
Comparative analysis of codon usage patterns in the chloroplast genomes of nine forage legumes. |
| المؤلفون: |
Xiao, Mingkun, Hu, Xiang, Li, Yaqi, Liu, Qian, Shen, Shaobin, Jiang, Tailing, Zhang, Linhui, Zhou, Yingchun, Li, Yuexian, Luo, Xin, Bai, Lina, Yan, Wei |
| المصدر: |
Physiology & Molecular Biology of Plants; Feb2024, Vol. 30 Issue 2, p153-166, 14p |
| مستخلص: |
Leguminosae is one of the three largest families of angiosperms after Compositae and Orchidaceae. It is widely distributed and grows in a variety of environments, including plains, mountains, deserts, forests, grasslands, and even waters where almost all legumes can be found. It is one of the most important sources of starch, protein and oil in the food of mankind and also an important source of high-quality forage material for animals, which has important economic significance. In our study, the codon usage patterns and variation sources of the chloroplast genome of nine important forage legumes were systematically analyzed. Meanwhile, we also constructed a phylogenetic tree based on the whole chloroplast genomes and protein coding sequences of these nine forage legumes. Our results showed that the chloroplast genomes of nine forage legumes end with A/T bases, and seven identical high-frequency (HF) codons were detected among the nine forage legumes. ENC-GC3s mapping, PR2 analysis, and neutral analysis showed that the codon bias of nine forage legumes was influenced by many factors, among which natural selection was the main influencing factor. The codon usage frequency showed that the Nicotiana tabacum and Saccharomyces cerevisiae can be considered as receptors for the exogenous expression of chloroplast genes of these nine forage legumes. The phylogenetic relationships of the chloroplast genomes and protein coding genes were highly similar, and the nine forage legumes were divided into three major clades. Among the clades Melilotus officinalis was more closely related to Medicago sativa, and Galega officinalis was more closely related to Galega orientalis. This study provides a scientific basis for the molecular markers research, species identification and phylogenetic studies of forage legumes. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
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