Germplasm resources of three wood plant species enriched with nervonic acid

doi:10.1016/j.pld.2022.01.004

Plant Diversity ›› 2022, Vol. 44 ›› Issue (03): 308-315.DOI: 10.1016/j.pld.2022.01.004

Germplasm resources of three wood plant species enriched with nervonic acid

Xing He^a,b, Tian-Quan Lu^a,b, Jiang-Ying Li^a,c, Ping Mao^d, Li Zhang^a,b, Guo-Wei Zheng^e, Bo Tian^a,f

a Key Laboratory of Sustainable Utilization of Tropical Plant Resources, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, 88 Xuefu Road, Kunming, 650223, China;
b University of Chinese Academy of Sciences, Beijing, 100049, China;
c Xinping Branch, Yuxi Tobacco Company, Xinping, 653400, China;
d Guangnan Forestry and Grassland Bureau, Guangnan, 663300, China;
e Traditional Chinese Medicine College, Yunnan University of Chinese Medicine, Kunming, 650500, China;
f Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, Mengla, Yunnan, 666303, China

收稿日期:2021-11-28 修回日期:2022-01-16 出版日期:2022-05-25 发布日期:2022-06-21
通讯作者: Bo Tian,E-mail:tianbo@xtbg.ac.cn
基金资助:
This work was supported by the Applied Basic Research Key Project of Yunnan, China (Grant No. 202101AS07001), Reserve Talents for Yunnan Young and Middle-aged Academic and Technical Leaders, China (Grant No. 202105AC160083), National Natural Science Foundation of China (Grant No. 31671732).

Germplasm resources of three wood plant species enriched with nervonic acid

Xing He^a,b, Tian-Quan Lu^a,b, Jiang-Ying Li^a,c, Ping Mao^d, Li Zhang^a,b, Guo-Wei Zheng^e, Bo Tian^a,f

a Key Laboratory of Sustainable Utilization of Tropical Plant Resources, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, 88 Xuefu Road, Kunming, 650223, China;
b University of Chinese Academy of Sciences, Beijing, 100049, China;
c Xinping Branch, Yuxi Tobacco Company, Xinping, 653400, China;
d Guangnan Forestry and Grassland Bureau, Guangnan, 663300, China;
e Traditional Chinese Medicine College, Yunnan University of Chinese Medicine, Kunming, 650500, China;
f Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, Mengla, Yunnan, 666303, China

Received:2021-11-28 Revised:2022-01-16 Online:2022-05-25 Published:2022-06-21
Contact: Bo Tian,E-mail:tianbo@xtbg.ac.cn
Supported by:
This work was supported by the Applied Basic Research Key Project of Yunnan, China (Grant No. 202101AS07001), Reserve Talents for Yunnan Young and Middle-aged Academic and Technical Leaders, China (Grant No. 202105AC160083), National Natural Science Foundation of China (Grant No. 31671732).

摘要/Abstract

摘要： Nervonic acid (NA) is a very-long-chain monounsaturated fatty acid with pharmaceutical and nutraceutical functions that plays an important role in treating several neurological disorders. One major source of NA is plant seed oil. Here we report fatty acid profiles of seeds and germplasm diversity of six plant species, including three woody plants with high amounts of NA-enriched seed oil, Malania oleifera, Macaranga adenantha, and M. indica. M. oleifera had the largest seed (average 7.40?g single seed), highest oil content (58.71%), and highest NA level (42.22%). The germplasm diversity of M. oleifera is associated with its habitat but not elevation. Seeds of M. adenantha contained higher NA levels (28.41%) than M.?indica (21.77%), but M.?indica contained a significantly higher oil content (29.22%) and seed yield. M.?adenantha germplasm varied among populations, with one population having seeds with high oil content (22.63%) and NA level (37.78%).Although M.?indica grow naturally at a range of elevations, no significant differences were detected between M.?indica populations. These results suggest that M. indica and M. oleifera have greater potential as a source of NA, which will contribute to constructing a germplasm resource nursery and establishing a selection and breeding program to improve the development of NA-enriched plants.

关键词: Nervonic acid, Germplasm resource, Malania oleifera, Macaranga adenantha, Macaranga indica, Diversity

Abstract: Nervonic acid (NA) is a very-long-chain monounsaturated fatty acid with pharmaceutical and nutraceutical functions that plays an important role in treating several neurological disorders. One major source of NA is plant seed oil. Here we report fatty acid profiles of seeds and germplasm diversity of six plant species, including three woody plants with high amounts of NA-enriched seed oil, Malania oleifera, Macaranga adenantha, and M. indica. M. oleifera had the largest seed (average 7.40?g single seed), highest oil content (58.71%), and highest NA level (42.22%). The germplasm diversity of M. oleifera is associated with its habitat but not elevation. Seeds of M. adenantha contained higher NA levels (28.41%) than M.?indica (21.77%), but M.?indica contained a significantly higher oil content (29.22%) and seed yield. M.?adenantha germplasm varied among populations, with one population having seeds with high oil content (22.63%) and NA level (37.78%).Although M.?indica grow naturally at a range of elevations, no significant differences were detected between M.?indica populations. These results suggest that M. indica and M. oleifera have greater potential as a source of NA, which will contribute to constructing a germplasm resource nursery and establishing a selection and breeding program to improve the development of NA-enriched plants.

Key words: Nervonic acid, Germplasm resource, Malania oleifera, Macaranga adenantha, Macaranga indica, Diversity

Xing He, Tian-Quan Lu, Jiang-Ying Li, Ping Mao, Li Zhang, Guo-Wei Zheng, Bo Tian. Germplasm resources of three wood plant species enriched with nervonic acid[J]. Plant Diversity, 2022, 44(03): 308-315.

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Germplasm resources of three wood plant species enriched with nervonic acid

Germplasm resources of three wood plant species enriched with nervonic acid

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