High-resolution organellar genome analysis of Triticum and Aegilops sheds new light on cytoplasm evolution in wheat

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High-resolution organellar genome analysis of Triticum and Aegilops sheds new light on cytoplasm evolution in wheat. / Provan, J; Wolters, P; Caldwell, KH; Powell, W.

In: Theoretical and Applied Genetics, Vol. 108, No. 6, 20.11.2004, p. 1182-1190.

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Provan, J, Wolters, P, Caldwell, KH & Powell, W 2004, 'High-resolution organellar genome analysis of Triticum and Aegilops sheds new light on cytoplasm evolution in wheat', Theoretical and Applied Genetics, vol. 108, no. 6, pp. 1182-1190. https://doi.org/10.1007/s00122-003-1538-z

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Provan, J ; Wolters, P ; Caldwell, KH ; Powell, W. / High-resolution organellar genome analysis of Triticum and Aegilops sheds new light on cytoplasm evolution in wheat. In: Theoretical and Applied Genetics. 2004 ; Vol. 108, No. 6. pp. 1182-1190.

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@article{6525b8fb4d264c37bc9373dd49b9032e,
title = "High-resolution organellar genome analysis of Triticum and Aegilops sheds new light on cytoplasm evolution in wheat",
abstract = "We have utilised polymorphic chloroplast microsatellites to analyse cytoplasmic relationships between accessions in the genera Triticum and Aegilops. Sequencing of PCR products revealed point mutations and insertions/deletions in addition to the standard repeat length expansion/contraction which most likely represent ancient synapomorphies. Phylogenetic analyses revealed three distinct groups of accessions. One of these contained all the non-Aegilops speltoides S-type cytoplasm species, another comprised almost exclusively A, C, D, M, N, T and U cytoplasm-type accessions and the third contained the polyploid Triticum species and all the Ae. speltoides accessions, further confirming that Ae. speltoides or a closely related but now extinct species was the original B-genome donor of cultivated polyploid wheat. Successive decreases in levels of genetic diversity due to domestication were also observed. Finally, we highlight the importance of elucidating longer-term evolutionary processes operating at microsatellite repeat loci.",
author = "J Provan and P Wolters and KH Caldwell and W Powell",
note = "Provan, J., Wolters, P., Caldwell, K. S., Powell, W. (2004).High-resolution organellar genome analysis of Triticum and Aegilops sheds new light on cytoplasm evolution in wheat. Theoretical and Applied Genetics, 108, (6), 1182-1190. Sponsorship: SEERAD",
year = "2004",
month = nov,
day = "20",
doi = "10.1007/s00122-003-1538-z",
language = "English",
volume = "108",
pages = "1182--1190",
journal = "Theoretical and Applied Genetics",
issn = "0040-5752",
publisher = "Springer Nature",
number = "6",

}

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TY - JOUR

T1 - High-resolution organellar genome analysis of Triticum and Aegilops sheds new light on cytoplasm evolution in wheat

AU - Provan, J

AU - Wolters, P

AU - Caldwell, KH

AU - Powell, W

N1 - Provan, J., Wolters, P., Caldwell, K. S., Powell, W. (2004).High-resolution organellar genome analysis of Triticum and Aegilops sheds new light on cytoplasm evolution in wheat. Theoretical and Applied Genetics, 108, (6), 1182-1190. Sponsorship: SEERAD

PY - 2004/11/20

Y1 - 2004/11/20

N2 - We have utilised polymorphic chloroplast microsatellites to analyse cytoplasmic relationships between accessions in the genera Triticum and Aegilops. Sequencing of PCR products revealed point mutations and insertions/deletions in addition to the standard repeat length expansion/contraction which most likely represent ancient synapomorphies. Phylogenetic analyses revealed three distinct groups of accessions. One of these contained all the non-Aegilops speltoides S-type cytoplasm species, another comprised almost exclusively A, C, D, M, N, T and U cytoplasm-type accessions and the third contained the polyploid Triticum species and all the Ae. speltoides accessions, further confirming that Ae. speltoides or a closely related but now extinct species was the original B-genome donor of cultivated polyploid wheat. Successive decreases in levels of genetic diversity due to domestication were also observed. Finally, we highlight the importance of elucidating longer-term evolutionary processes operating at microsatellite repeat loci.

AB - We have utilised polymorphic chloroplast microsatellites to analyse cytoplasmic relationships between accessions in the genera Triticum and Aegilops. Sequencing of PCR products revealed point mutations and insertions/deletions in addition to the standard repeat length expansion/contraction which most likely represent ancient synapomorphies. Phylogenetic analyses revealed three distinct groups of accessions. One of these contained all the non-Aegilops speltoides S-type cytoplasm species, another comprised almost exclusively A, C, D, M, N, T and U cytoplasm-type accessions and the third contained the polyploid Triticum species and all the Ae. speltoides accessions, further confirming that Ae. speltoides or a closely related but now extinct species was the original B-genome donor of cultivated polyploid wheat. Successive decreases in levels of genetic diversity due to domestication were also observed. Finally, we highlight the importance of elucidating longer-term evolutionary processes operating at microsatellite repeat loci.

U2 - 10.1007/s00122-003-1538-z

DO - 10.1007/s00122-003-1538-z

M3 - Article

VL - 108

SP - 1182

EP - 1190

JO - Theoretical and Applied Genetics

JF - Theoretical and Applied Genetics

SN - 0040-5752

IS - 6

ER -

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