An ortholog of the MADS-box gene SEPALLATA3 regulates stamen development in the woody plant Jatropha curcas

Zhao, Miaomiao; Zhou, Zhen; Chen, Maosheng; Xu, Chuan-Jia; Xu, Zeng-Fu

doi:10.1007/s00425-022-03886-3

Cited by 4 publications

(1 citation statement)

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“…Ethylene activates EIN2 and EIN3 transcription and inhibits anther development through the EIN2-EIN3/EIL1 signaling pathway [77]. The brassinosteroid and gibberellin signaling pathways are directly or indirectly regulated by SEP genes, and SEP mutations result in abnormal phenotypes, such as deficient anthers and pollen, as well as free stamen filaments [78]. The SKP1 gene plays an important role in plants.…”

Section: Plant Hormones Regulate Stamen Petaloidmentioning

confidence: 99%

Transcriptomics analyses reveal the key genes involved in stamen petaloid formation in Alcea rosea L.

Luo,

Li,

Yin

et al. 2024

BMC Plant Biol

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Alcea rosea L. is a traditional flower with a long cultivation history. It is extensively cultivated in China and is widely planted in green belt parks or used as cut flowers and potted ornamental because of its rich colors and flower shapes. Double-petal A. rosea flowers have a higher aesthetic value compared to single-petal flowers, a phenomenon determined by stamen petaloid. However, the underlying molecular mechanism of this phenomenon is still very unclear. In this study, an RNA-based comparative transcriptomic analysis was performed between the normal petal and stamen petaloid petal of A. rosea. A total of 3,212 differential expressed genes (DEGs), including 2,620 up-regulated DEGs and 592 down-regulated DEGs, were identified from 206,188 unigenes. Numerous DEGs associated with stamen petaloid were identified through GO and KEGG enrichment analysis. Notably, there were 63 DEGs involved in the plant hormone synthesis and signal transduction, including auxin, cytokinin, gibberellin, abscisic acid, ethylene, brassinosteroid, jasmonic acid, and salicylic acid signaling pathway and 56 key transcription factors (TFs), such as MADS-box, bHLH, GRAS, and HSF. The identification of these DEGs provides an important clue for studying the regulation pathway and mechanism of stamen petaloid formation in A. rosea and provides valuable information for molecular plant breeding.

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Section: Plant Hormones Regulate Stamen Petaloidmentioning

confidence: 99%