Multi-trait QTL analysis for agronomic and quality characters of Agaricus bisporus (button mushrooms)

Wei Gao*, Johan J.P. Baars, Chris Maliepaard, Richard G.F. Visser, Jinxia Zhang, Anton S.M. Sonnenberg

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

4 Citations (Scopus)

Abstract

The demand for button mushrooms of high quality is increasing. Superior button mushroom varieties require the combination of multiple traits to maximize productivity and quality. Very often these traits are correlated and should, therefore, be evaluated together rather than as single traits. In order to unravel the genetic architecture of multiple traits of Agaricus bisporus and the genetic correlations among traits, we have investigated a total of six agronomic and quality traits through multi-trait QTL analyses in a mixed-model. Traits were evaluated in three heterokaryon sets. Significant phenotypic correlations were observed among traits. For instance, earliness (ER) correlated to firmness (FM), cap color, and compost colonization, and FM correlated to scales (SC). QTLs of different traits located on the same chromosomes genetically explains the phenotypic correlations. QTL detected on chromosome 10 mainly affects three traits, i.e., ER, FM and SC. It explained 31.4 % phenotypic variation of SC on mushroom cap (heterokaryon Set 1), 14.9 % that of the FM (heterokaryon Set 3), and 14.2 % that of ER (heterokaryon Set 3). High value alleles from the wild parental line showed beneficial effects for several traits, suggesting that the wild germplasm is a valuable donor in terms of those traits. Due to the limitations of recombination pattern, we only made a start at understanding the genetic base for several agronomic and quality traits in button mushrooms.

Original languageEnglish
Article number67
JournalAMB Express
Volume6
DOIs
Publication statusPublished - 2016

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Agaricus
Agaricales
Chromosomes, Human, Pair 10
Genetic Recombination
Soil
Color
Chromosomes
Alleles

Keywords

  • Genetic correlations
  • Multi-trait QTL analysis
  • Phenotypic correlations
  • QTLs on the same chromosome

Cite this

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title = "Multi-trait QTL analysis for agronomic and quality characters of Agaricus bisporus (button mushrooms)",
abstract = "The demand for button mushrooms of high quality is increasing. Superior button mushroom varieties require the combination of multiple traits to maximize productivity and quality. Very often these traits are correlated and should, therefore, be evaluated together rather than as single traits. In order to unravel the genetic architecture of multiple traits of Agaricus bisporus and the genetic correlations among traits, we have investigated a total of six agronomic and quality traits through multi-trait QTL analyses in a mixed-model. Traits were evaluated in three heterokaryon sets. Significant phenotypic correlations were observed among traits. For instance, earliness (ER) correlated to firmness (FM), cap color, and compost colonization, and FM correlated to scales (SC). QTLs of different traits located on the same chromosomes genetically explains the phenotypic correlations. QTL detected on chromosome 10 mainly affects three traits, i.e., ER, FM and SC. It explained 31.4 {\%} phenotypic variation of SC on mushroom cap (heterokaryon Set 1), 14.9 {\%} that of the FM (heterokaryon Set 3), and 14.2 {\%} that of ER (heterokaryon Set 3). High value alleles from the wild parental line showed beneficial effects for several traits, suggesting that the wild germplasm is a valuable donor in terms of those traits. Due to the limitations of recombination pattern, we only made a start at understanding the genetic base for several agronomic and quality traits in button mushrooms.",
keywords = "Genetic correlations, Multi-trait QTL analysis, Phenotypic correlations, QTLs on the same chromosome",
author = "Wei Gao and Baars, {Johan J.P.} and Chris Maliepaard and Visser, {Richard G.F.} and Jinxia Zhang and Sonnenberg, {Anton S.M.}",
year = "2016",
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journal = "AMB Express",
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Multi-trait QTL analysis for agronomic and quality characters of Agaricus bisporus (button mushrooms). / Gao, Wei; Baars, Johan J.P.; Maliepaard, Chris; Visser, Richard G.F.; Zhang, Jinxia; Sonnenberg, Anton S.M.

In: AMB Express, Vol. 6, 67, 2016.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Multi-trait QTL analysis for agronomic and quality characters of Agaricus bisporus (button mushrooms)

AU - Gao, Wei

AU - Baars, Johan J.P.

AU - Maliepaard, Chris

AU - Visser, Richard G.F.

AU - Zhang, Jinxia

AU - Sonnenberg, Anton S.M.

PY - 2016

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N2 - The demand for button mushrooms of high quality is increasing. Superior button mushroom varieties require the combination of multiple traits to maximize productivity and quality. Very often these traits are correlated and should, therefore, be evaluated together rather than as single traits. In order to unravel the genetic architecture of multiple traits of Agaricus bisporus and the genetic correlations among traits, we have investigated a total of six agronomic and quality traits through multi-trait QTL analyses in a mixed-model. Traits were evaluated in three heterokaryon sets. Significant phenotypic correlations were observed among traits. For instance, earliness (ER) correlated to firmness (FM), cap color, and compost colonization, and FM correlated to scales (SC). QTLs of different traits located on the same chromosomes genetically explains the phenotypic correlations. QTL detected on chromosome 10 mainly affects three traits, i.e., ER, FM and SC. It explained 31.4 % phenotypic variation of SC on mushroom cap (heterokaryon Set 1), 14.9 % that of the FM (heterokaryon Set 3), and 14.2 % that of ER (heterokaryon Set 3). High value alleles from the wild parental line showed beneficial effects for several traits, suggesting that the wild germplasm is a valuable donor in terms of those traits. Due to the limitations of recombination pattern, we only made a start at understanding the genetic base for several agronomic and quality traits in button mushrooms.

AB - The demand for button mushrooms of high quality is increasing. Superior button mushroom varieties require the combination of multiple traits to maximize productivity and quality. Very often these traits are correlated and should, therefore, be evaluated together rather than as single traits. In order to unravel the genetic architecture of multiple traits of Agaricus bisporus and the genetic correlations among traits, we have investigated a total of six agronomic and quality traits through multi-trait QTL analyses in a mixed-model. Traits were evaluated in three heterokaryon sets. Significant phenotypic correlations were observed among traits. For instance, earliness (ER) correlated to firmness (FM), cap color, and compost colonization, and FM correlated to scales (SC). QTLs of different traits located on the same chromosomes genetically explains the phenotypic correlations. QTL detected on chromosome 10 mainly affects three traits, i.e., ER, FM and SC. It explained 31.4 % phenotypic variation of SC on mushroom cap (heterokaryon Set 1), 14.9 % that of the FM (heterokaryon Set 3), and 14.2 % that of ER (heterokaryon Set 3). High value alleles from the wild parental line showed beneficial effects for several traits, suggesting that the wild germplasm is a valuable donor in terms of those traits. Due to the limitations of recombination pattern, we only made a start at understanding the genetic base for several agronomic and quality traits in button mushrooms.

KW - Genetic correlations

KW - Multi-trait QTL analysis

KW - Phenotypic correlations

KW - QTLs on the same chromosome

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