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| Explicating genetic architecture governing nutritional quality in pigmented rice |
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Rice is one of the most important staple plant foods that provide a major source of calories and nutrients for tackling the global hunger index especially in developing countries. In terms of nutritional profile, pigmented rice grains are favoured for their nutritional and health benefits. The pigmented rice varieties are rich sources of flavonoids, anthocyanin and proanthocyanidin that can be readily incorporated into diets to help address various lifestyle diseases. However, the cultivation of pigmented rice is limited due to low productivity and unfavourable cooking qualities. |
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Jebi Sudan, Uneeb Urwat, Asmat Farooq, Mohammad Maqbool Pakhtoon, Aaqif Zaffar, Zafir Ahmad Naik, Aneesa Batool, Saika Bashir, Madeeha Mansoor, Parvaze A Sofi, Najeebul Ul Rehman Sofi, Asif B Shikari, Mohd Kamran Khan, Mohammad Anwar Hossain, Robert J Henry, Sajad Majeed Zargar PeerJ.; 2023 Sep 11: 11:e15901. doi: 10.7717/peerj.15901.
Figure: The importance of pigmented rice in India with respect to the (A) varieties cultivated in different parts; (B) elemental content in different coloured-rice and (C) different nutraceutical benefits of pigmented rice. AbstractRice is one of the most important staple plant foods that provide a major source of calories and nutrients for tackling the global hunger index especially in developing countries. In terms of nutritional profile, pigmented rice grains are favoured for their nutritional and health benefits. The pigmented rice varieties are rich sources of flavonoids, anthocyanin and proanthocyanidin that can be readily incorporated into diets to help address various lifestyle diseases. However, the cultivation of pigmented rice is limited due to low productivity and unfavourable cooking qualities. With the advances in genome sequencing, molecular breeding, gene expression analysis and multi-omics approaches, various attempts have been made to explore the genetic architecture of rice grain pigmentation. In this review, we have compiled the current state of knowledge of the genetic architecture and nutritional value of pigmentation in rice based upon the available experimental evidence. Future research areas that can help to deepen our understanding and help in harnessing the economic and health benefits of pigmented rice are also explored.
See https://pubmed.ncbi.nlm.nih.gov/37719119/
Figure 2: Genes regulating starch biosynthesis in the endosperm through various transcriptional factors where, different abbreviations indicates amylose content (AC), eating & cooking quality (ECQ), nutritional quality (NQ) and appearance quality (AQ), granule-bound starch synthase (GBSS), soluble starch synthase (SS) and starch branching enzymes (SBE). |
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