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<p>The rice (<i>Oryza sativa</i> L.), belonging to Poaceae family, is the world’s second most important cereal crop. It is the major staple food crop for almost half of the world’s population. The two subspecies (<i>O. sativa</i> subsp. <i>indica</i> and <i>O. sativa</i> subsp. <i>japonica</i>) of <i>O. sativa</i> besides having a vast number of germplasm accessions and landraces comprises hundreds of cultivars and varieties widely cultivated in areas of broad geographic distributions and ecological adaptations. The rice grain protein content (product of multigene families) consists mainly of seed storage proteins (~ 90%), of broad range of diversity in the genepool of different fractions of albumins, globulins, glutelins and prolamins. The review aims to consolidate the available information on this diversity for its application by available approaches in rice nutritional improvement. We also discuss how this information has contributed to our understanding of rice diversity. This article aligns with SDG 2 (Zero Hunger) of the UN Agenda for Sustainable Development.</p>

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An insight into rice seed storage protein polymorphism and its implications for diversity analysis and nutritional improvement

  • 期刊论文

  • 发表日期：

    2026年4月15日

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  • Manisha Sharma,
  • Dhananjay Raturi,
  • Riddhima Singh,
  • Vijay Rani Rajpal,
  • Arman Mahmoudi,
  • Soom Nath Raina,
  • Apekshita Singh

摘要

The rice (Oryza sativa L.), belonging to Poaceae family, is the world’s second most important cereal crop. It is the major staple food crop for almost half of the world’s population. The two subspecies (O. sativa subsp. indica and O. sativa subsp. japonica) of O. sativa besides having a vast number of germplasm accessions and landraces comprises hundreds of cultivars and varieties widely cultivated in areas of broad geographic distributions and ecological adaptations. The rice grain protein content (product of multigene families) consists mainly of seed storage proteins (~ 90%), of broad range of diversity in the genepool of different fractions of albumins, globulins, glutelins and prolamins. The review aims to consolidate the available information on this diversity for its application by available approaches in rice nutritional improvement. We also discuss how this information has contributed to our understanding of rice diversity. This article aligns with SDG 2 (Zero Hunger) of the UN Agenda for Sustainable Development.