Increased expression of fatty acid and ABC transporters enhances seed oil production in camelina
Abstract
Abstract Background Lipid transporters play an essential role in lipid delivery and distribution, but their influence on seed oil production in oilseed crops is not well studied. Results Here, we examined the effect of two lipid transporters, FAX1 ( fatty acid export1 ) and ABCA9 ( ATP-binding cassette transporter subfamily A9 ) on oil production and lipid metabolism in the oilseed plant Camelina sativa . Overexpression (OE) of FAX1 and ABCA9 increased seed weight and size, with FAX1 -OEs and ABCA9 -OEs increasing seed length and width, respectively, whereas FAX1 / ABCA9 -OEs increasing both. FAX1- OE and ABCA9- OE displayed additive effects on seed oil content and seed yield. Also, OE of FAX1 and ABCA9 affected membrane lipid composition in developing pods, especially on phosphatidylcholine, phosphatidylethanolamine, and phosphatidylglycerol. The expression of some genes involved in seed oil synthesis, such as DGAT2 , PDAT1 , and LEC1 , was increased in developing seeds of FAX1 - and/or ABCA9 -OEs. Conclusion These results indicate that increased expression of FAX1 and ABCA9 can potentially be applied to improving camelina oil production.
- Authors:
- Publication Date:
- Research Org.:
- Donald Danforth Plant Science Center, St. Louis, MO (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE); National Natural Science Foundation of China (NSFC); National Key Research and Development Program of China; Office of China Postdoctoral Council
- OSTI Identifier:
- 1768103
- Alternate Identifier(s):
- OSTI ID: 1848177
- Grant/Contract Number:
- AR0000202; 31801029; 2016YFD0100506; 2017YFE0104800; 20160034
- Resource Type:
- Published Article
- Journal Name:
- Biotechnology for Biofuels
- Additional Journal Information:
- Journal Name: Biotechnology for Biofuels Journal Volume: 14 Journal Issue: 1; Journal ID: ISSN 1754-6834
- Publisher:
- Springer Science + Business Media
- Country of Publication:
- Netherlands
- Language:
- English
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES; biotechnology & applied microbiology; energy & fuels; camelina; lipid metabolism; oil production; seed weight; transporters
Citation Formats
Cai, Guangqin, Wang, Geliang, Kim, Sang-Chul, Li, Jianwu, Zhou, Yongming, and Wang, Xuemin. Increased expression of fatty acid and ABC transporters enhances seed oil production in camelina. Netherlands: N. p., 2021.
Web. doi:10.1186/s13068-021-01899-w.
Cai, Guangqin, Wang, Geliang, Kim, Sang-Chul, Li, Jianwu, Zhou, Yongming, & Wang, Xuemin. Increased expression of fatty acid and ABC transporters enhances seed oil production in camelina. Netherlands. https://doi.org/10.1186/s13068-021-01899-w
Cai, Guangqin, Wang, Geliang, Kim, Sang-Chul, Li, Jianwu, Zhou, Yongming, and Wang, Xuemin. Sat .
"Increased expression of fatty acid and ABC transporters enhances seed oil production in camelina". Netherlands. https://doi.org/10.1186/s13068-021-01899-w.
@article{osti_1768103,
title = {Increased expression of fatty acid and ABC transporters enhances seed oil production in camelina},
author = {Cai, Guangqin and Wang, Geliang and Kim, Sang-Chul and Li, Jianwu and Zhou, Yongming and Wang, Xuemin},
abstractNote = {Abstract Background Lipid transporters play an essential role in lipid delivery and distribution, but their influence on seed oil production in oilseed crops is not well studied. Results Here, we examined the effect of two lipid transporters, FAX1 ( fatty acid export1 ) and ABCA9 ( ATP-binding cassette transporter subfamily A9 ) on oil production and lipid metabolism in the oilseed plant Camelina sativa . Overexpression (OE) of FAX1 and ABCA9 increased seed weight and size, with FAX1 -OEs and ABCA9 -OEs increasing seed length and width, respectively, whereas FAX1 / ABCA9 -OEs increasing both. FAX1- OE and ABCA9- OE displayed additive effects on seed oil content and seed yield. Also, OE of FAX1 and ABCA9 affected membrane lipid composition in developing pods, especially on phosphatidylcholine, phosphatidylethanolamine, and phosphatidylglycerol. The expression of some genes involved in seed oil synthesis, such as DGAT2 , PDAT1 , and LEC1 , was increased in developing seeds of FAX1 - and/or ABCA9 -OEs. Conclusion These results indicate that increased expression of FAX1 and ABCA9 can potentially be applied to improving camelina oil production.},
doi = {10.1186/s13068-021-01899-w},
journal = {Biotechnology for Biofuels},
number = 1,
volume = 14,
place = {Netherlands},
year = {Sat Feb 27 00:00:00 EST 2021},
month = {Sat Feb 27 00:00:00 EST 2021}
}
https://doi.org/10.1186/s13068-021-01899-w
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