RNA-seq between asexual archeospores and meiosis-related conchospores in Neopyropia yezoensis using Smart-seq2
© 2021 Phycological Society of America.
| Veröffentlicht in: | Journal of phycology. - 1966. - 57(2021), 5 vom: 21. Okt., Seite 1648-1658 |
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| 1. Verfasser: | |
| Weitere Verfasser: | , , , , , , , , , |
| Format: | Online-Aufsatz |
| Sprache: | English |
| Veröffentlicht: |
2021
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| Zugriff auf das übergeordnete Werk: | Journal of phycology |
| Schlagworte: | Journal Article Research Support, Non-U.S. Gov't RNA-seq Smart-seq2 archeospores asexual reproduction conchospores meiosis |
| Zusammenfassung: | © 2021 Phycological Society of America. In the life cycle of Neopyropia yezoensis, a potential model system for marine macroalgae, both asexual archeospores and meiosis-related conchospores develop into thalli (gametophyte). To understand this special life phenomenon in macroalgae, we picked out the two kinds of spores (10-30 cells in each sample) and conducted RNA-seq using Smart-seq2. Comparative analysis showed that light capture and carbon fixation associated differentially expressed genes (DEGs) were upregulated in archeospores, thus indicating that archeospores are in a state of rapid vegetative growth. In conchospores, protein synthesis and degradation, especially molecular chaperone, associated DEGs were up-regulated, indicating that complex life activities might be occurring in conchospores. There were 68 genes related to DNA replication and repair expressed in conchospores, showing that active DNA replication might occur in conchospores. Moreover, we found that one conchospore specifically expressed DEG (py04595: DNA helicase) only in diploid stages (conchocelis, sporangial filament) and three archeospores specifically expressed DEGs only in haploid stages (thalli). These molecular level results indicated that conchospores were closer to diploid, and might be the meiotic mother cells of N. yezoensis. In addition, we found that the knotted-like homeobox gene (PyKNOX), which might relate to the transition of gametophyte from sporophyte, was only expressed in sporophyte generation but not expressed in conchospores, archeospores and thalli, indicating the morphogenesis of gametophyte sin N. yezoensis might require the inactivation of PyKNOX |
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| Beschreibung: | Date Completed 22.10.2021 Date Revised 22.10.2021 published: Print-Electronic Citation Status MEDLINE |
| ISSN: | 1529-8817 |
| DOI: | 10.1111/jpy.13197 |