Water impacts nutrient dose responses genome-wide to affect crop production

Joseph Swift, Mark Adame, Daniel Tranchina, Amelia Henry, Gloria Coruzzi

Research output: Contribution to journalArticle

Abstract

Changes in nutrient dose have dramatic effects on gene expression and development. One outstanding question is whether organisms respond to changes in absolute nutrient amount (moles) vs. its concentration in water (molarity). This question is particularly relevant to plants, as soil drying can alter nutrient concentration, without changing its absolute amount. To compare the effects of amount vs. concentration, we expose rice to a factorial matrix varying the dose of nitrogen (N) and water (W) over a range of combinations, and quantify transcriptome and phenotype responses. Using linear models, we identify distinct dose responses to either N-moles, W-volume, N-molarity (N/W), or their synergistic interaction (N×W). Importantly, genes whose expression patterns are best explained by N-dose and W interactions (N/W or N×W) in seedlings are associated with crop outcomes in replicated field trials. Such N-by-W responsive genes may assist future efforts to develop crops resilient to increasingly arid, low nutrient soils.

Original languageEnglish (US)
Article number1374
JournalNature communications
Volume10
Issue number1
DOIs
StatePublished - Dec 1 2019

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genome
crops
nutrients
Nutrients
Crops
Genes
Genome
Food
dosage
Water
gene expression
Gene expression
water
soils
Soil
Soils
Gene Expression
phenotype
rice
Seedlings

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Water impacts nutrient dose responses genome-wide to affect crop production. / Swift, Joseph; Adame, Mark; Tranchina, Daniel; Henry, Amelia; Coruzzi, Gloria.

In: Nature communications, Vol. 10, No. 1, 1374, 01.12.2019.

Research output: Contribution to journalArticle

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