Origins of domestication and polyploidy in oca (Oxalis tuberosa: Oxalidaceae): nrDNA ITS data

As part of a study aimed at elucidating the origins of the octoploid tuber crop "oca," Oxalis tuberosa, DNA sequences of the internal transcribed spacer of nuclear ribosomal DNA (nrDNA ITS) were determined for oca and several wild Oxalis species, mostly from Bolivia. Phylogenetic analysis...

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Published in:American journal of botany 1998-07, Vol.85 (7), p.975-985
Main Authors: Emshwiller, Eve, Doyle, Jeff J.
Format: Article
Language:English
Subjects:
ADN
Alliances
ANATOMIA DE LA PLANTA
ANATOMIE VEGETALE
Biological taxonomies
Botany
CHEMOTAXONOMY
CHIMIOTAXONOMIE
CITOTAXONOMIA
crop evolution
Crops
CYTOTAXONOMIE
CYTOTAXONOMY
Deoxyribonucleic acid
DNA
DOMESTICACION
DOMESTICATION
EVOLUCION
EVOLUTION
FILOGENIA
GENETIC RESOURCES
GENETIC VARIATION
GENOMAS
GENOME
GENOMES
INTERNAL TRANSCRIBED SPACER
Internal transcribed spacers
MOLECULAR SEQUENCE DATA
MORPHOTAXONOMY
nrDNA ITS
NUCLEOTIDE SEQUENCE
oca
Oxalidaceae
OXALIS
OXALIS TUBEROSA
PHYLOGENETICS
PHYLOGENIE
PHYLOGENY
PLANT ANATOMY
PLANTAS SILVESTRES
PLANTE SAUVAGE
Plants
Ploidies
POLIPLOIDIA
POLYPLOIDIE
POLYPLOIDY
QUIMIOTAXONOMIA
RECURSOS GENETICOS
RESSOURCE GENETIQUE
Ribosomal DNA
RIBOSOMAS
RIBOSOME
RIBOSOMES
SECUENCIA NUCLEOTIDICA
SEQUENCE NUCLEOTIDIQUE
Systematics
Taxa
TAXONOMIA
TAXONOMIE
TAXONOMY
Tubers
VARIACION GENETICA
VARIATION GENETIQUE
WILD PLANTS
WILD RELATIVES
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description As part of a study aimed at elucidating the origins of the octoploid tuber crop "oca," Oxalis tuberosa, DNA sequences of the internal transcribed spacer of nuclear ribosomal DNA (nrDNA ITS) were determined for oca and several wild Oxalis species, mostly from Bolivia. Phylogenetic analysis of these data supports a group of these species as being close relatives of oca, in agreement with morphology and cytology, but at odds with traditional infrageneric taxonomy. Variation in ITS sequences within this group is quite low (0-7 substitutions in the entire ITS region), contrasting with the highly divergent (unalignable in some cases) sequences within the genus overall. Some groups of morphologically differentiated species were found to have identical sequences, notably a group that includes oca, wild populations of Oxalis that bear small tubers, and several other clearly distinct species. The presence of a second, minor sequence type in at least some oca accessions suggests a possible contribution from a second genome donor, also from within this same species group. ITS data lack sufficient variation to elucidate the origins of oca precisely, but have identified a pool of candidate species and so can be used as a tool to screen yet unsampled species for possible progenitors
doi_str_mv 10.2307/2446364
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Phylogenetic analysis of these data supports a group of these species as being close relatives of oca, in agreement with morphology and cytology, but at odds with traditional infrageneric taxonomy. Variation in ITS sequences within this group is quite low (0-7 substitutions in the entire ITS region), contrasting with the highly divergent (unalignable in some cases) sequences within the genus overall. Some groups of morphologically differentiated species were found to have identical sequences, notably a group that includes oca, wild populations of Oxalis that bear small tubers, and several other clearly distinct species. The presence of a second, minor sequence type in at least some oca accessions suggests a possible contribution from a second genome donor, also from within this same species group. ITS data lack sufficient variation to elucidate the origins of oca precisely, but have identified a pool of candidate species and so can be used as a tool to screen yet unsampled species for possible progenitors</description><identifier>ISSN: 0002-9122</identifier><identifier>EISSN: 1537-2197</identifier><identifier>DOI: 10.2307/2446364</identifier><identifier>PMID: 21684981</identifier><identifier>CODEN: AJBOAA</identifier><language>eng</language><publisher>United States: Botanical Soc America</publisher><subject>ADN ; Alliances ; ANATOMIA DE LA PLANTA ; ANATOMIE VEGETALE ; Biological taxonomies ; Botany ; CHEMOTAXONOMY ; CHIMIOTAXONOMIE ; CITOTAXONOMIA ; crop evolution ; Crops ; CYTOTAXONOMIE ; CYTOTAXONOMY ; Deoxyribonucleic acid ; DNA ; DOMESTICACION ; DOMESTICATION ; EVOLUCION ; EVOLUTION ; FILOGENIA ; GENETIC RESOURCES ; GENETIC VARIATION ; GENOMAS ; GENOME ; GENOMES ; INTERNAL TRANSCRIBED SPACER ; Internal transcribed spacers ; MOLECULAR SEQUENCE DATA ; MORPHOTAXONOMY ; nrDNA ITS ; NUCLEOTIDE SEQUENCE ; oca ; Oxalidaceae ; OXALIS ; OXALIS TUBEROSA ; PHYLOGENETICS ; PHYLOGENIE ; PHYLOGENY ; PLANT ANATOMY ; PLANTAS SILVESTRES ; PLANTE SAUVAGE ; Plants ; Ploidies ; POLIPLOIDIA ; POLYPLOIDIE ; POLYPLOIDY ; QUIMIOTAXONOMIA ; RECURSOS GENETICOS ; RESSOURCE GENETIQUE ; Ribosomal DNA ; RIBOSOMAS ; RIBOSOME ; RIBOSOMES ; SECUENCIA NUCLEOTIDICA ; SEQUENCE NUCLEOTIDIQUE ; Systematics ; Taxa ; TAXONOMIA ; TAXONOMIE ; TAXONOMY ; Tubers ; VARIACION GENETICA ; VARIATION GENETIQUE ; WILD PLANTS ; WILD RELATIVES</subject><ispartof>American journal of botany, 1998-07, Vol.85 (7), p.975-985</ispartof><rights>Copyright 1998 Botanical Society of America, Inc.</rights><rights>1998 Botanical Society of America</rights><rights>Copyright Botanical Society of America, Inc. 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Phylogenetic analysis of these data supports a group of these species as being close relatives of oca, in agreement with morphology and cytology, but at odds with traditional infrageneric taxonomy. Variation in ITS sequences within this group is quite low (0-7 substitutions in the entire ITS region), contrasting with the highly divergent (unalignable in some cases) sequences within the genus overall. Some groups of morphologically differentiated species were found to have identical sequences, notably a group that includes oca, wild populations of Oxalis that bear small tubers, and several other clearly distinct species. The presence of a second, minor sequence type in at least some oca accessions suggests a possible contribution from a second genome donor, also from within this same species group. ITS data lack sufficient variation to elucidate the origins of oca precisely, but have identified a pool of candidate species and so can be used as a tool to screen yet unsampled species for possible progenitors</description><subject>ADN</subject><subject>Alliances</subject><subject>ANATOMIA DE LA PLANTA</subject><subject>ANATOMIE VEGETALE</subject><subject>Biological taxonomies</subject><subject>Botany</subject><subject>CHEMOTAXONOMY</subject><subject>CHIMIOTAXONOMIE</subject><subject>CITOTAXONOMIA</subject><subject>crop evolution</subject><subject>Crops</subject><subject>CYTOTAXONOMIE</subject><subject>CYTOTAXONOMY</subject><subject>Deoxyribonucleic acid</subject><subject>DNA</subject><subject>DOMESTICACION</subject><subject>DOMESTICATION</subject><subject>EVOLUCION</subject><subject>EVOLUTION</subject><subject>FILOGENIA</subject><subject>GENETIC RESOURCES</subject><subject>GENETIC VARIATION</subject><subject>GENOMAS</subject><subject>GENOME</subject><subject>GENOMES</subject><subject>INTERNAL TRANSCRIBED SPACER</subject><subject>Internal transcribed spacers</subject><subject>MOLECULAR SEQUENCE DATA</subject><subject>MORPHOTAXONOMY</subject><subject>nrDNA ITS</subject><subject>NUCLEOTIDE SEQUENCE</subject><subject>oca</subject><subject>Oxalidaceae</subject><subject>OXALIS</subject><subject>OXALIS TUBEROSA</subject><subject>PHYLOGENETICS</subject><subject>PHYLOGENIE</subject><subject>PHYLOGENY</subject><subject>PLANT ANATOMY</subject><subject>PLANTAS SILVESTRES</subject><subject>PLANTE SAUVAGE</subject><subject>Plants</subject><subject>Ploidies</subject><subject>POLIPLOIDIA</subject><subject>POLYPLOIDIE</subject><subject>POLYPLOIDY</subject><subject>QUIMIOTAXONOMIA</subject><subject>RECURSOS GENETICOS</subject><subject>RESSOURCE GENETIQUE</subject><subject>Ribosomal DNA</subject><subject>RIBOSOMAS</subject><subject>RIBOSOME</subject><subject>RIBOSOMES</subject><subject>SECUENCIA NUCLEOTIDICA</subject><subject>SEQUENCE NUCLEOTIDIQUE</subject><subject>Systematics</subject><subject>Taxa</subject><subject>TAXONOMIA</subject><subject>TAXONOMIE</subject><subject>TAXONOMY</subject><subject>Tubers</subject><subject>VARIACION GENETICA</subject><subject>VARIATION GENETIQUE</subject><subject>WILD PLANTS</subject><subject>WILD RELATIVES</subject><issn>0002-9122</issn><issn>1537-2197</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNp9kstu1DAYhS0EokNBvAAgC4kCi4Cvsd3dUG5FFbNou0SW4zhTj5J4aicK8_Y1ZGglJFjZ_v3pHB0fA_AUo3eEIvGeMFbSkt0DC8ypKAhW4j5YIIRIoTAhB-BRSpt8VEyRh-CA4FIyJfEC_FhFv_Z9gqGBdehcGrw1gw89NH0Nt6Hdbdvg6x30PQzWwDern6b1CQ5j5WJI5hj-HtTGOuPeHsM-fvy-hKcX57A2g3kMHjSmTe7Jfj0El58_XZx8Lc5WX05PlmeFZUzwwkqKGVaUlYzbRmKj6soyy1VjayepJIQgWklGOJE8b5GlZSU44zIPpSH0ELyedbcxXI85hO58sq5tTe_CmLQUFBMkEM3k0X9JXHLOqMQZfPkXuAlj7HMKTTCXMmvhO1-b3yJF1-ht9J2JO42R_lWM3heTyRd7ubHqXH3L_WkiA8UMTL51u3_p6OW3DwQpwTP_bOY3aQjxTu_W79V8feXXV5OPTqfOtG12x3qaJsm10LPM85lrTNBmHX3Sl-dYKZU_S5kz3gBki7Ax</recordid><startdate>199807</startdate><enddate>199807</enddate><creator>Emshwiller, Eve</creator><creator>Doyle, Jeff J.</creator><general>Botanical Soc America</general><general>American Botanical Society</general><general>Botanical Society of America, Inc</general><scope>FBQ</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>SOI</scope><scope>7X8</scope></search><sort><creationdate>199807</creationdate><title>Origins of domestication and polyploidy in oca (Oxalis tuberosa: Oxalidaceae): nrDNA ITS data</title><author>Emshwiller, Eve ; Doyle, Jeff J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4475-c83141934645cf81a9dbc4c59fcde83822203b84252852030c36b75458b848a23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>ADN</topic><topic>Alliances</topic><topic>ANATOMIA DE LA PLANTA</topic><topic>ANATOMIE VEGETALE</topic><topic>Biological taxonomies</topic><topic>Botany</topic><topic>CHEMOTAXONOMY</topic><topic>CHIMIOTAXONOMIE</topic><topic>CITOTAXONOMIA</topic><topic>crop evolution</topic><topic>Crops</topic><topic>CYTOTAXONOMIE</topic><topic>CYTOTAXONOMY</topic><topic>Deoxyribonucleic acid</topic><topic>DNA</topic><topic>DOMESTICACION</topic><topic>DOMESTICATION</topic><topic>EVOLUCION</topic><topic>EVOLUTION</topic><topic>FILOGENIA</topic><topic>GENETIC RESOURCES</topic><topic>GENETIC VARIATION</topic><topic>GENOMAS</topic><topic>GENOME</topic><topic>GENOMES</topic><topic>INTERNAL TRANSCRIBED SPACER</topic><topic>Internal transcribed spacers</topic><topic>MOLECULAR SEQUENCE DATA</topic><topic>MORPHOTAXONOMY</topic><topic>nrDNA ITS</topic><topic>NUCLEOTIDE SEQUENCE</topic><topic>oca</topic><topic>Oxalidaceae</topic><topic>OXALIS</topic><topic>OXALIS TUBEROSA</topic><topic>PHYLOGENETICS</topic><topic>PHYLOGENIE</topic><topic>PHYLOGENY</topic><topic>PLANT ANATOMY</topic><topic>PLANTAS SILVESTRES</topic><topic>PLANTE SAUVAGE</topic><topic>Plants</topic><topic>Ploidies</topic><topic>POLIPLOIDIA</topic><topic>POLYPLOIDIE</topic><topic>POLYPLOIDY</topic><topic>QUIMIOTAXONOMIA</topic><topic>RECURSOS GENETICOS</topic><topic>RESSOURCE GENETIQUE</topic><topic>Ribosomal DNA</topic><topic>RIBOSOMAS</topic><topic>RIBOSOME</topic><topic>RIBOSOMES</topic><topic>SECUENCIA NUCLEOTIDICA</topic><topic>SEQUENCE NUCLEOTIDIQUE</topic><topic>Systematics</topic><topic>Taxa</topic><topic>TAXONOMIA</topic><topic>TAXONOMIE</topic><topic>TAXONOMY</topic><topic>Tubers</topic><topic>VARIACION GENETICA</topic><topic>VARIATION GENETIQUE</topic><topic>WILD PLANTS</topic><topic>WILD RELATIVES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Emshwiller, Eve</creatorcontrib><creatorcontrib>Doyle, Jeff J.</creatorcontrib><collection>AGRIS</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environment Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>American journal of botany</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Emshwiller, Eve</au><au>Doyle, Jeff J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Origins of domestication and polyploidy in oca (Oxalis tuberosa: Oxalidaceae): nrDNA ITS data</atitle><jtitle>American journal of botany</jtitle><addtitle>Am J Bot</addtitle><date>1998-07</date><risdate>1998</risdate><volume>85</volume><issue>7</issue><spage>975</spage><epage>985</epage><pages>975-985</pages><issn>0002-9122</issn><eissn>1537-2197</eissn><coden>AJBOAA</coden><abstract>As part of a study aimed at elucidating the origins of the octoploid tuber crop "oca," Oxalis tuberosa, DNA sequences of the internal transcribed spacer of nuclear ribosomal DNA (nrDNA ITS) were determined for oca and several wild Oxalis species, mostly from Bolivia. Phylogenetic analysis of these data supports a group of these species as being close relatives of oca, in agreement with morphology and cytology, but at odds with traditional infrageneric taxonomy. Variation in ITS sequences within this group is quite low (0-7 substitutions in the entire ITS region), contrasting with the highly divergent (unalignable in some cases) sequences within the genus overall. Some groups of morphologically differentiated species were found to have identical sequences, notably a group that includes oca, wild populations of Oxalis that bear small tubers, and several other clearly distinct species. The presence of a second, minor sequence type in at least some oca accessions suggests a possible contribution from a second genome donor, also from within this same species group. ITS data lack sufficient variation to elucidate the origins of oca precisely, but have identified a pool of candidate species and so can be used as a tool to screen yet unsampled species for possible progenitors</abstract><cop>United States</cop><pub>Botanical Soc America</pub><pmid>21684981</pmid><doi>10.2307/2446364</doi><tpages>11</tpages></addata></record>
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ispartof American journal of botany, 1998-07, Vol.85 (7), p.975-985
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source Wiley; JSTOR Archival Journals and Primary Sources Collection; Botanical Society of America
subjects ADN
Alliances
ANATOMIA DE LA PLANTA
ANATOMIE VEGETALE
Biological taxonomies
Botany
CHEMOTAXONOMY
CHIMIOTAXONOMIE
CITOTAXONOMIA
crop evolution
Crops
CYTOTAXONOMIE
CYTOTAXONOMY
Deoxyribonucleic acid
DNA
DOMESTICACION
DOMESTICATION
EVOLUCION
EVOLUTION
FILOGENIA
GENETIC RESOURCES
GENETIC VARIATION
GENOMAS
GENOME
GENOMES
INTERNAL TRANSCRIBED SPACER
Internal transcribed spacers
MOLECULAR SEQUENCE DATA
MORPHOTAXONOMY
nrDNA ITS
NUCLEOTIDE SEQUENCE
oca
Oxalidaceae
OXALIS
OXALIS TUBEROSA
PHYLOGENETICS
PHYLOGENIE
PHYLOGENY
PLANT ANATOMY
PLANTAS SILVESTRES
PLANTE SAUVAGE
Plants
Ploidies
POLIPLOIDIA
POLYPLOIDIE
POLYPLOIDY
QUIMIOTAXONOMIA
RECURSOS GENETICOS
RESSOURCE GENETIQUE
Ribosomal DNA
RIBOSOMAS
RIBOSOME
RIBOSOMES
SECUENCIA NUCLEOTIDICA
SEQUENCE NUCLEOTIDIQUE
Systematics
Taxa
TAXONOMIA
TAXONOMIE
TAXONOMY
Tubers
VARIACION GENETICA
VARIATION GENETIQUE
WILD PLANTS
WILD RELATIVES
title Origins of domestication and polyploidy in oca (Oxalis tuberosa: Oxalidaceae): nrDNA ITS data
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