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Inheritance of glabrous plants in Helianthemum oelandicum var. oelandicum and spatial patterns of allele frequencies in local populations

Widén, Björn LU (2018) In Plant Systematics and Evolution 304(10). p.1199-1219
Abstract

Helianthemum oelandicum var. oelandicum is an endemic taxon on the Baltic island of Öland, SE Sweden. Plants can be classified into two morphs: the bristled morph (with bristles and with or without scattered stellate hairs) and the glabrous morph (without bristles and stellate hairs). In crosses between plants assumed to be homozygous for the trait that characterises the phenotypes of the two morphs, offspring in F1 could not be distinguished from the bristled morph. Segregation in F2 did not deviate from the expected 3:1 ratio (bristled morphs/glabrous morphs), indicating one major gene with a dominant allele for the phenotype of the bristled morph and a recessive allele for the phenotype of the glabrous morph. Besides the Mendelian... (More)

Helianthemum oelandicum var. oelandicum is an endemic taxon on the Baltic island of Öland, SE Sweden. Plants can be classified into two morphs: the bristled morph (with bristles and with or without scattered stellate hairs) and the glabrous morph (without bristles and stellate hairs). In crosses between plants assumed to be homozygous for the trait that characterises the phenotypes of the two morphs, offspring in F1 could not be distinguished from the bristled morph. Segregation in F2 did not deviate from the expected 3:1 ratio (bristled morphs/glabrous morphs), indicating one major gene with a dominant allele for the phenotype of the bristled morph and a recessive allele for the phenotype of the glabrous morph. Besides the Mendelian inheritance of presence/absence of hairs, the density of hairs appeared to be further modified by quantitative genes. The frequency of the recessive allele for the phenotype of the glabrous morph varied among local populations and showed a geographical structure, both on local and regional scales. Possible mechanisms behind the spatial variation in indumentum are discussed.

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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Allele frequency, Helianthemum, Major gene, Mendelian inheritance, Natural population, Periodical inundation, Pubescence, Topography
in
Plant Systematics and Evolution
volume
304
issue
10
pages
1199 - 1219
publisher
Springer
external identifiers
  • scopus:85053444962
ISSN
0378-2697
DOI
10.1007/s00606-018-1541-0
language
English
LU publication?
yes
id
ffda8ab4-cc6d-4836-a679-b4c2f03ad469
date added to LUP
2018-10-22 11:35:43
date last changed
2019-02-20 11:32:41
@article{ffda8ab4-cc6d-4836-a679-b4c2f03ad469,
  abstract     = {<p>Helianthemum oelandicum var. oelandicum is an endemic taxon on the Baltic island of Öland, SE Sweden. Plants can be classified into two morphs: the bristled morph (with bristles and with or without scattered stellate hairs) and the glabrous morph (without bristles and stellate hairs). In crosses between plants assumed to be homozygous for the trait that characterises the phenotypes of the two morphs, offspring in F1 could not be distinguished from the bristled morph. Segregation in F2 did not deviate from the expected 3:1 ratio (bristled morphs/glabrous morphs), indicating one major gene with a dominant allele for the phenotype of the bristled morph and a recessive allele for the phenotype of the glabrous morph. Besides the Mendelian inheritance of presence/absence of hairs, the density of hairs appeared to be further modified by quantitative genes. The frequency of the recessive allele for the phenotype of the glabrous morph varied among local populations and showed a geographical structure, both on local and regional scales. Possible mechanisms behind the spatial variation in indumentum are discussed.</p>},
  author       = {Widén, Björn},
  issn         = {0378-2697},
  keyword      = {Allele frequency,Helianthemum,Major gene,Mendelian inheritance,Natural population,Periodical inundation,Pubescence,Topography},
  language     = {eng},
  month        = {09},
  number       = {10},
  pages        = {1199--1219},
  publisher    = {Springer},
  series       = {Plant Systematics and Evolution},
  title        = {Inheritance of glabrous plants in Helianthemum oelandicum var. oelandicum and spatial patterns of allele frequencies in local populations},
  url          = {http://dx.doi.org/10.1007/s00606-018-1541-0},
  volume       = {304},
  year         = {2018},
}