Loci That Control Nonlinear, Interdependent Responses to Combinations of Drought and Nitrogen Limitation

G3 : Genes - Genomes - Genetics
Megan M ChangAnn E Stapleton

Abstract

Crop improvement must accelerate to feed an increasing human population in the face of environmental changes. Including anticipated climatic changes with genetic architecture in breeding programs could better optimize improvement strategies. Combinations of drought and nitrogen limitation already occur world-wide. We therefore analyzed the genetic architecture underlying the response of Zea mays to combinations of water and nitrogen stresses. Recombinant inbreds were subjected to nine combinations of the two stresses using an optimized response surface design, and their growth was measured. Three-dimensional response surfaces were fit globally and to each polymorphic allele to determine which genetic markers were associated with different response surfaces. Three quantitative trait loci that produced nonlinear surfaces were mapped. To better understand the physiology of the response, we developed a model that reproduced the shapes of the surfaces, their most characteristic feature. The model contains two components that each combine the nitrogen and water inputs. The relative weighting of the two components and the inputs is governed by five parameters, and each QTL affects all five parameters.We estimated the model's parameter...Continue Reading

References

May 10, 2002·Plant Molecular Biology·Michael LeeArnel Hallauer
Dec 20, 2005·Trends in Plant Science·Ron Mittler
Jun 26, 2007·Bioinformatics·Peter J BradburyEdward S Buckler
May 12, 2009·Ecological Applications : a Publication of the Ecological Society of America·Yiqi LuoLi Zhang
May 4, 2010·Nucleic Acids Research·Zhou DuZhen Su
Feb 12, 2011·Plant, Cell & Environment·Mikaël LucasMalcolm J Bennett
Mar 5, 2011·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Marcos MalosettiJosé-Luis Molina-Cano
Jul 27, 2011·PloS One·Fran SupekTomislav Šmuc
Aug 30, 2012·Nature Methods·Caroline A SchneiderKevin W Eliceiri
Jun 20, 2013·Plant, Cell & Environment·Joost J B KeurentjesBas J Zwaan
Jul 23, 2013·Trends in Biotechnology·Elisabeth Jonas, Dirk-Jan de Koning
Aug 3, 2013·Science·Tim Wheeler, Joachim von Braun
Aug 31, 2013·Journal of Mathematical Biology·Niklas Hartung
May 1, 1995·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Y I RoninA B Korol
Nov 23, 2013·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Nicolas HeslotJean-Luc Jannink
Feb 12, 2014·The Journal of General Physiology·Keegan E HinesRichard W Aldrich
Apr 12, 2014·The New Phytologist·Nobuhiro SuzukiRon Mittler
Jul 6, 2014·Genetics·Asko Mäki-Tanila, William G Hill
Jul 15, 2015·The Journal of Chemical Physics·Mark K TranstrumJames P Sethna
Jan 4, 2017·Physiologia Plantarum·Sara I ZandalinasAurelio Gómez-Cadenas
Jan 20, 2017·Genetics·Zachary R Sailer, Michael J Harms
Apr 9, 2017·Trends in Plant Science·Karine ChenuSenthold Asseng

❮ Previous
Next ❯

Methods Mentioned

BETA
dissection
genotyping

Software Mentioned

R package rgl
TASSEL
R Development Core Team
QTeller
package graphics
MixTox
AGRIGO
ImageJ
superheat
Revigo

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.