ArticlePeerJ2020
Global transcriptome analysis of alfalfa reveals six key biological processes of senescent leaves.
Article in PeerJ, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 31 citations in OpenAlex.
- Pangenome and Pan-Transcriptome Analysis of theEcology and evolution · 2026Article
- Comprehensive Identification of Key Genes Responsible for Leaf Senescence of Rice (Plants (Basel, Switzerland) · 2025Article
- Characterization and expression analysis ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- Differentially expressed genes related to plant height and yield in two alfalfa cultivars based on RNA-seq.PeerJ · 2022Article
- Transcriptome Analysis of Leaf Senescence Regulation Under Alkaline Stress inFrontiers in plant science · 2022Article
- Primary metabolic processes as drivers of leaf ageing.Cellular and molecular life sciences : CMLS · 2021Review
- Transcriptomic resources for prairie grass (Bromus catharticus): expressed transcripts, tissue-specific genes, and identification and validation of EST-SSR markers.BMC plant biology · 2021Article
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Authors and funding
5 authors at 2 institutions in 1 country.
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Abstract
Leaf senescence is a complex organized developmental stage limiting the yield of crop plants, and alfalfa is an important forage crop worldwide. However, our understanding of the molecular mechanism of leaf senescence and its influence on biomass in alfalfa is still limited. In this study, RNA sequencing was utilized to identify differentially expressed genes (DEGs) in young, mature, and senescent leaves, and the functions of key genes related to leaf senescence. A total of 163,511 transcripts and 77,901 unigenes were identified from the transcriptome, and 5,133 unigenes were differentially expressed. KEGG enrichment analyses revealed that ribosome and phenylpropanoid biosynthesis pathways, and starch and sucrose metabolism pathways are involved in leaf development and senescence in alfalfa. GO enrichment analyses exhibited that six clusters of DEGs are involved in leaf morphogenesis, leaf development, leaf formation, regulation of leaf development, leaf senescence and negative regulation of the leaf senescence biological process. The WRKY and NAC families of genes mainly consist of transcription factors that are involved in the leaf senescence process. Our results offer a novel interpretation of the molecular mechanisms of leaf senescence in alfalfa.
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