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Chromosome‐level genome assembly of Sichuan pepper provides insights into apomixis, drought tolerance, and alkaloid biosynthesis.
- Source :
- Molecular Ecology Resources; Oct2021, Vol. 21 Issue 7, p2533-2545, 13p
- Publication Year :
- 2021
-
Abstract
- Sichuan pepper is a commonly used spice in Asian cuisine. Sanshools and wgx‐50/gx‐50 isolated from it have been shown to possess a wide spectrum of medicinal properties. Here we generated a chromosome‐level genome assembly of one Sichuan pepper species Zanthoxylumarmatum characterized by drought tolerance and apomixis. Analyses of functionally related genes suggested that increased gene copy number and expression level of drought‐tolerant genes might play an important role in improving drought tolerance of Z. armatum. Moreover, a gene encoding an RWP‐RK domain‐containing protein was shown to contribute to apomixis in Z. armatum, which was further characterized by overexpression in Arabidopsis thaliana. Furthermore, based on gene homology searching and co‐expression patterns of metabolite concentration and gene expressions, we identified a number of candidate genes involved in the biosynthesis of sanshools and wgx‐50/gx‐50. Taken together, our results yield valuable insights for understanding the evolution of apomixis, drought tolerance, and alkaloid biosynthesis in Z. armatum. [ABSTRACT FROM AUTHOR]
- Subjects :
- APOMIXIS
DROUGHT tolerance
BIOSYNTHESIS
ALKALOIDS
GENOMES
PEPPERS
Subjects
Details
- Language :
- English
- ISSN :
- 1755098X
- Volume :
- 21
- Issue :
- 7
- Database :
- Complementary Index
- Journal :
- Molecular Ecology Resources
- Publication Type :
- Academic Journal
- Accession number :
- 152377872
- Full Text :
- https://doi.org/10.1111/1755-0998.13449