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The Utility of Nuclear gapCp in Resolving Polyploid Fern Origins

Although polyploidy is rampant in ferns and plays a major role in shaping their diversity, the evolutionary history of many polyploid species remains poorly understood. Nuclear DNA sequences can provide valuable information for identifying polyploid origins; however, remarkably few nuclear markers h... Full description

Journal Title: Systematic botany 2008-10, Vol.33 (4), p.621-629
Main Author: Schuettpelz, Eric
Other Authors: Grusz, Amanda L , Windham, Michael D , Pryer, Kathleen M
Format: Electronic Article Electronic Article
Language: English
Subjects:
s
Quelle: Alma/SFX Local Collection
Publisher: The American Society of Plant Taxonomists, Inc
ID: ISSN: 0363-6445
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title: The Utility of Nuclear gapCp in Resolving Polyploid Fern Origins
format: Article
creator:
  • Schuettpelz, Eric
  • Grusz, Amanda L
  • Windham, Michael D
  • Pryer, Kathleen M
subjects:
  • ALLOPOLYPLOIDY
  • AUTOPOLYPLOIDY
  • Biological taxonomies
  • Diploidy
  • Evolution
  • Exons
  • FERNS
  • GAPCP
  • GAPDH
  • Genetic aspects
  • Molecular evolution
  • MOLECULAR SYSTEMATICS
  • NUCLEAR MARKER
  • Phylogenetics
  • Plants
  • Polymerase chain reaction
  • Polyploidy
  • s
  • Triploidy
ispartof: Systematic botany, 2008-10, Vol.33 (4), p.621-629
description: Although polyploidy is rampant in ferns and plays a major role in shaping their diversity, the evolutionary history of many polyploid species remains poorly understood. Nuclear DNA sequences can provide valuable information for identifying polyploid origins; however, remarkably few nuclear markers have been developed specifically for ferns, and previously published primer sets do not work well in many fern lineages. In this study, we present new primer sequences for the amplification of a portion of the nuclear gapCp gene (encoding a glyceraldehyde-3-phosphate dehydrogenase). Through a broad survey across ferns, we demonstrate that these primers are nearly universal for this clade. With a case study in cheilanthoids, we show that this rapidly evolving marker is a powerful tool for discriminating between autopolyploids and allopolyploids. Our results indicate that gapCp holds considerable potential for addressing species-level questions across the fern tree of life.
language: eng
source: Alma/SFX Local Collection
identifier: ISSN: 0363-6445
fulltext: fulltext
issn:
  • 0363-6445
  • 1548-2324
url: Link


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descriptionAlthough polyploidy is rampant in ferns and plays a major role in shaping their diversity, the evolutionary history of many polyploid species remains poorly understood. Nuclear DNA sequences can provide valuable information for identifying polyploid origins; however, remarkably few nuclear markers have been developed specifically for ferns, and previously published primer sets do not work well in many fern lineages. In this study, we present new primer sequences for the amplification of a portion of the nuclear gapCp gene (encoding a glyceraldehyde-3-phosphate dehydrogenase). Through a broad survey across ferns, we demonstrate that these primers are nearly universal for this clade. With a case study in cheilanthoids, we show that this rapidly evolving marker is a powerful tool for discriminating between autopolyploids and allopolyploids. Our results indicate that gapCp holds considerable potential for addressing species-level questions across the fern tree of life.
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subjectALLOPOLYPLOIDY ; AUTOPOLYPLOIDY ; Biological taxonomies ; Diploidy ; Evolution ; Exons ; FERNS ; GAPCP ; GAPDH ; Genetic aspects ; Molecular evolution ; MOLECULAR SYSTEMATICS ; NUCLEAR MARKER ; Phylogenetics ; Plants ; Polymerase chain reaction ; Polyploidy ; s ; Triploidy
ispartofSystematic botany, 2008-10, Vol.33 (4), p.621-629
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abstractAlthough polyploidy is rampant in ferns and plays a major role in shaping their diversity, the evolutionary history of many polyploid species remains poorly understood. Nuclear DNA sequences can provide valuable information for identifying polyploid origins; however, remarkably few nuclear markers have been developed specifically for ferns, and previously published primer sets do not work well in many fern lineages. In this study, we present new primer sequences for the amplification of a portion of the nuclear gapCp gene (encoding a glyceraldehyde-3-phosphate dehydrogenase). Through a broad survey across ferns, we demonstrate that these primers are nearly universal for this clade. With a case study in cheilanthoids, we show that this rapidly evolving marker is a powerful tool for discriminating between autopolyploids and allopolyploids. Our results indicate that gapCp holds considerable potential for addressing species-level questions across the fern tree of life.
pubThe American Society of Plant Taxonomists, Inc
doi10.1600/036364408786500127
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