ArticlePloS one2018
Opaque16, a high lysine and tryptophan mutant, does not influence the key physico-biochemical characteristics in maize kernel.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed.
- Maize Biofortification Approaches for Fighting Malnutrition in Sub-Saharan Africa.Plant-environment interactions (Hoboken, N.J.) · 2026Review
- Identification of QTLs associated withFrontiers in plant science · 2025Article
- Comparative transcriptome profiling reveals the mechanism of increasing lysine and tryptophan content through pyramidingBreeding science · 2024Article
- Article
- Development of Maize Hybrids With Enhanced Vitamin-E, Vitamin-A, Lysine, and Tryptophan Through Molecular Breeding.Frontiers in plant science · 2021Article
- The Zea mays mutants opaque2 and opaque16 disclose lysine change in waxy maize as revealed by RNA-Seq.Scientific reports · 2019Article
- Article
- Molecular Breeding for Nutritionally Enriched Maize: Status and Prospects.Frontiers in genetics · 2019Review
- Analysis, Nutrition, and Health Benefits of Tryptophan.International journal of tryptophan research : IJTR · 2018Review
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9 authors.
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Abstract
The enhancement of lysine and tryptophan in maize is so far basedon opaque2(o2) mutant, that along with the endosperm-modifiersled to development of Quality Protein Maize[QPM]. Though many mutants improving the endospermic protein quality were discovered, they could not be successfully deployed. Recently discovered opaque16 (o16)mutant enhances the lysine and tryptophan content in maize endosperm. In the present study, the influence of o16 on the endosperm modification was analyzed in four F2 populations, two each segregating for o16 allele alone and in combination with o2. The recessive o16o16 seed endosperm was found to be vitreousphenotypically similar to wild-O16O16. The mutant did not influence the degree of kernel opaqueness in o2o2 genetic background as opaqueness in o2o2/O16O16 and o2o2/o16o16 was similar. Grain hardness of o16o16 was comparable with the normal and QPM maize. The pattern of microscopic organization of proteinaceous matrix and starch granules, and zein profiling of the storage protein in o16o16 were found to be similar with normal maize endosperm, but distinct from the o2o2-soft genotype. The pattern in o2o2/o16o16 was unique and different from o2o2 and o16o16 as well. Here we demonstrated the effects of o16 on physico-biochemical characteristics of endosperm and report of o16 possessing negligible influence on kernel modification and hardness, which holds a great significance in maize quality breeding programme.
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