Pigment analysis of a color-leaf mutant in Wandering Jew (Tradescantia fluminensis) irradiated by carbon ions

	Pigment analysis of a color-leaf mutant in Wandering Jew (Tradescantia fluminensis) irradiated by carbon ions
	Yu Lixia1 ; He Jinyu1,2 ; Li Wenjian1 ; Lu Dong1
刊名	NUCLEAR SCIENCE AND TECHNIQUES
	2011-04-01
卷号	22 页码:77-83
关键词	Foliar pigment Wandering Jew Carbon ion beam Irradiation
ISSN号	1001-8042
英文摘要	Many mutants of plant induced by heavy ion beam irradiation have been reported in recent years, but leaf anthocyan mutants induced by ion irradiation in evergreen were rarely found. In this study, a color-leaf mutant with purple leaves, stems and petals was isolated from clones of Wandering Jew irradiated by 95.8 MeV/u carbon ion beam. The concentration and histological distribution of leaf pigment were surveyed in wild type and mutant. In mutant, contents of total chlorophylls (Chl), chlorophyll a (Chl a), chlorophyll b (Chl b) and carotenoids (Car) decreased significantly, while concentration of the anthocyanins was 6.2-fold higher than that of wild type. Further composition analysis of anthocyanins by electrospray ionization mass spectrometry (ESI-MS) indicated that the purple pigmentation of leaves in mutant was caused by accumulation of petunidin anthocyanin. Microscopic examination showed that most petunidin anthocyanin accumulated in the lower epidermis, and little in vascular parenchyma of mutant, while there was no pigment in wild type. Meanwhile, in spongy parenchyma of mutant we observed little Chl, which the wild type abounds in. In conclusion, the color-leaf mutant of Wandering Jew induced by irradiation of carbon ions was improved in ornamental value, and it could be contribute to variation in level, component and distribution of foliar pigment. The possible mutation mechanisms were discussed.
资助项目	superintendents' foundation of Institute of Modern Physics, Chinese Academy of Sciences[0906020SZO]
WOS关键词	BEAM IRRADIATION ; FLOWER-COLOR ; MUTATION ; ANTHOCYANINS ; CHIMERA ; LEAVES ; RED ; L.
WOS研究方向	Nuclear Science & Technology ; Physics
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000291843700003
资助机构	superintendents' foundation of Institute of Modern Physics, Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://119.78.100.186/handle/113462/35099]
专题	近代物理研究所_生物物理研究室
通讯作者	Li Wenjian
作者单位	1.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Yu Lixia,He Jinyu,Li Wenjian,et al. Pigment analysis of a color-leaf mutant in Wandering Jew (Tradescantia fluminensis) irradiated by carbon ions[J]. NUCLEAR SCIENCE AND TECHNIQUES,2011,22:77-83.
APA	Yu Lixia,He Jinyu,Li Wenjian,&Lu Dong.(2011).Pigment analysis of a color-leaf mutant in Wandering Jew (Tradescantia fluminensis) irradiated by carbon ions.NUCLEAR SCIENCE AND TECHNIQUES,22,77-83.
MLA	Yu Lixia,et al."Pigment analysis of a color-leaf mutant in Wandering Jew (Tradescantia fluminensis) irradiated by carbon ions".NUCLEAR SCIENCE AND TECHNIQUES 22(2011):77-83.