ArticleBMC genomics2023
Gene co-expression network analysis identifies hub genes associated with different tolerance under calcium deficiency in two peanut cultivars.
Article in BMC genomics, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 5 citations in OpenAlex.
- Comparative Transcriptomic Analysis Reveals Conserved and Nutrient-Specific Responses to Nutrient Deficiencies in Quinoa.Plants (Basel, Switzerland) · 2026Article
- Transcriptomic insights into fruiting body malformations in Lentinula edodes.Applied microbiology and biotechnology · 2026Article
- Dynamic molecular regulation of salt stress responses in maize (Frontiers in plant science · 2025Article
- Transcriptional alterations of peanut root during interaction with growth-promoting Tsukamurella tyrosinosolvens strain P9.PloS one · 2024Article
- Genome-Wide Identification and Characterization of CDPK Gene Family in Cultivated Peanut (Cells · 2023Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
backgroundPeanut is an economically-important oilseed crop and needs a large amount of calcium for its normal growth and development. Calcium deficiency usually leads to embryo abortion and subsequent abnormal pod development. Different tolerance to calcium deficiency has been observed between different cultivars, especially between large and small-seed cultivars.
resultsIn order to figure out different molecular mechanisms in defensive responses between two cultivars, we treated a sensitive (large-seed) and a tolerant (small-seed) cultivar with different calcium levels. The transcriptome analysis identified a total of 58 and 61 differentially expressed genes (DEGs) within small-seed and large-seed peanut groups under different calcium treatments, and these DEGs were entirely covered by gene modules obtained via weighted gene co-expression network analysis (WGCNA). KEGG enrichment analysis showed that the blue-module genes in the large-seed cultivar were mainly enriched in plant-pathogen attack, phenolic metabolism and MAPK signaling pathway, while the green-module genes in the small-seed cultivar were mainly enriched in lipid metabolism including glycerolipid and glycerophospholipid metabolisms. By integrating DEGs with WGCNA, a total of eight hub-DEGs were finally identified, suggesting that the large-seed cultivar concentrated more on plant defensive responses and antioxidant activities under calcium deficiency, while the small-seed cultivar mainly focused on maintaining membrane features to enable normal photosynthesis and signal transduction.
conclusionThe identified hub genes might give a clue for future gene validation and molecular breeding to improve peanut survivability under calcium deficiency.
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