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- Title
Oxygen plasma modulates glucosinolate levels without affecting lipid contents and composition in Brassica napus seeds.
- Authors
Akiko Maruyama-Nakashita; Yohei Ishibashi; Kyotaro Yamamoto; Liu Zhang; Tomomi Morikawa-Ichinose; Sun-Ju Kim; Nobuya Hayashi
- Abstract
Rapeseed contains high levels of glucosinolates (GSLs), playing pivotal roles in defense against herbivores and pests. As their presence in rapeseed reduces the value of the meal for animal feeding, intensive efforts to reduce them produced low-seed GSL cultivars. However, there is no such variety suitable for the south part of Japan. Here, we tested the effects of cold oxygen plasma (oxygen CP) on seed germination and GSL and lipid content, in 3 rapeseed cultivars. According to the cultivars, oxygen CP slightly stimulated seed germination and modified the GSL levels, and decreased GSL levels in Kizakinonatane but increased those in Nanashikibu. In contrast, it negligibly affected the lipid content and composition in the 3 cultivars. Thus, oxygen CP modulated seed GSL levels without affecting seed viability and lipid content. Future optimization of this technique may help optimize rapeseed GSL content without plant breeding.
- Subjects
JAPAN; OXYGEN plasmas; RAPESEED; LOW temperature plasmas; PLANT breeding; SEEDS; ANIMAL feeding; GERMINATION
- Publication
Bioscience, Biotechnology & Biochemistry, 2021, Vol 85, Issue 12, p2434
- ISSN
0916-8451
- Publication type
Article
- DOI
10.1093/bbb/zbab157