Variation in primary metabolites in parental and near-isogenic lines of the QTL qDTY12.1: altered roots and flag leaves but similar spikelets of rice under drought

التفاصيل البيبلوغرافية
العنوان: Variation in primary metabolites in parental and near-isogenic lines of the QTL qDTY12.1: altered roots and flag leaves but similar spikelets of rice under drought
المؤلفون: Nese Sreenivasulu, R. Oane, Arvind Kumar, Mohammad Reza-Hajirezai, Ajay Kohli, Manish L. Raorane, Berta Miro, Isaiah Catalino M. Pabuayon, Rajesh Kalladan, Amelia Henry
المصدر: Molecular Breeding
بيانات النشر: Springer Netherlands, 2015.
سنة النشر: 2015
مصطلحات موضوعية: Nitrogen, QTL, Plant Science, Quantitative trait locus, Biology, Article, Remobilization, Metabolomics, Flag leaf, Botany, Genetics, Grain yield, Molecular Biology, Gene, Drought, fungi, Primary metabolite, Plant physiology, food and beverages, Carbon, Root, Analysis of variance, Rice, Agronomy and Crop Science, Biotechnology, Flag (geometry)
الوصف: There is a widespread consensus that drought will mostly affect present and future agriculture negatively. Generating drought-tolerant crops is thus a high priority. However complicated the underlying genetic and regulatory networks for differences in plant performance under stress are, they would be reflected in straightforward differences in primary metabolites. This is because primary metabolites such as amino acids and sugars form the building blocks of all pathways and processes for growth, development, reproduction, and environmental responses. Comparison of such differences was undertaken between the parental line and a near-isogenic line of qDTY12.1, a QTL for rice yield under drought. The comparison was informative regarding the effect of the QTL in three genetic backgrounds: donor, recipient, and improved recipient, thus illustrating the gene × gene (G × G) interactions. Such a comparison when extended to well-watered and drought conditions illustrated the gene × environment (G × E) interactions. Assessment of such G × G and G × E responses in roots, flag leaves, and spikelets added a yet more informative dimension of tissue-specific responses to drought, mediated by qDTY12.1. Data on variation in primary metabolites subjected to ANOVA, Tukey’s test, Welch’s t test, and PCA underscored the importance of the roots and demonstrated concordance between variation in metabolites and morpho-physiological responses to drought. Results suggested that for gainful insights into rice yield under drought, rather than vegetative stage drought tolerance, multiple tissues and genotypes must be assessed at the reproductive stage to avoid misleading conclusions about using particular metabolites or related genes and proteins as candidates or markers for drought tolerance. Electronic supplementary material The online version of this article (doi:10.1007/s11032-015-0322-5) contains supplementary material, which is available to authorized users.
اللغة: English
تدمد: 1572-9788
1380-3743
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bde57686f7789c92945b1d2dab4ee7a2Test
http://europepmc.org/articles/PMC4451464Test
حقوق: OPEN
رقم الانضمام: edsair.doi.dedup.....bde57686f7789c92945b1d2dab4ee7a2
قاعدة البيانات: OpenAIRE