Association Mapping for Quantitative Trait Loci Controlling Superoxide Dismutase, Flavonoids, Anthocyanins, Carotenoids, γ-Oryzanol and Antioxidant Activity in Rice

被引：13

作者：

Bastia, Ramakrushna ^{[1
,2
]}

Pandit, Elssa ^{[1
,3
]}

Sanghamitra, Priyadarsini ^{[1
]}

Barik, Saumya Ranjan ^{[1
]}

Nayak, Deepak Kumar ^{[1
]}

Sahoo, Auromira ^{[1
]}

Moharana, Arpita ^{[1
]}

Meher, Jitendriya ^{[1
]}

Dash, Prasanta K. ^{[4
]}

Raj, Reshmi ^{[1
]}

Jena, Binod Kumar ^{[5
]}

Pradhan, Kartik Chandra ^{[2
]}

Lenka, Devraj ^{[2
]}

Basak, Nabaneeta ^{[1
]}

Lenka, Srikanta ^{[1
]}

Pradhan, Sharat Kumar ^{[1
]}

机构：

[1] ICAR Natl Rice Res Inst, Cuttack 753006, India

[2] OUAT, Coll Agr, Bhubaneswar 751003, India

[3] Fakir Mohan Univ, Biosci & Biotechnol Dept, Balasore 756020, India

[4] ICAR Natl Inst Plant Biotechnol, New Delhi 110012, India

[5] OUAT, KVK, Rayagada 765022, India

来源：

AGRONOMY-BASEL | 2022年 / 12卷 / 12期

关键词：

ABTS; antioxidant activity; anthocyanins; association mapping; flavonoids; gamma-oryzanol; superoxide dismutase; GENE; BIOSYNTHESIS; CAPACITY; POLYPHENOLS; ENVIRONMENT; DIVERSITY; SOFTWARE; PERICARP; QUALITY; RC;

D O I：

10.3390/agronomy12123036

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Antioxidant-rich rice is a cheaper way to solve stress-related disorders and other health benefits for the global rice-eating population. Five antioxidant traits, namely, superoxide dismutase, flavonoids, anthocyanins, gamma-oryzanol and 2,2 '-azino-bis-3-ethylbenzthiazoline-6-sulphonic acid (ABTS) activity were mapped using a representative panel population through association mapping. Potential landraces carrying multiple antioxidant compounds were identified from the population. The population represented four genetic groups and correspondence for presence of antioxidants traits in each group was noticed. The population showed linkage disequilibrium for the studied traits based on the Fst values. A total of 14 significant marker-trait associations were detected for these antioxidant traits. The study validated the QTLs, qANC3 and qPAC12-2 for anthocyanin content and qAC12 for ABTS activity will be useful in marker-assisted breeding. Eleven QTLs such as qTAC1.1 and qTAC5.1 controlling anthocyanin content, qSOD1.1, qSOD5.1 and qSOD10.1 for superoxide dismutase (SOD), qTFC6.1, qTFC11.1 and qTFC12.1 for total flavonoids content (TFC), qOZ8.1 and qOZ11.1 for gamma-oryzanol (OZ) and qAC11.1 for ABTS activity were detected as novel loci. Chromosomal locations on 11 at 45.3 cM regulating GO, TFC and TAC, and on the chromosome 12 at 101.8 cM controlling TAC and ABTS activity, respectively, were detected as antioxidant hotspots.

引用

页数：32

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