Chromosomal Markers Are Useful to Species Identification in Rivulidae (Cyprinodontiformes, Aplocheiloidei), Including the Resolution of Taxonomic Uncertainties in a Vulnerable Species Complex
Killifishes are a unique and diversified fish group composed of several annual species inhabiting ephemeral pools in tropical and subtropical regions. Moreover, many genera have probably undergone fast speciation with a high number of short-ranged species of controversial taxonomy. This is the case...
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| Veröffentlicht in: | Zebrafish 2020-02, Vol.17 (1), p.48-55 |
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| creator | Dutra, Rayana Tiago Bitencourt, Jamille de A Barreto Netto, Maria Rita de Cascia Paim, Fabilene Gomes Sarmento-Soares, Luisa Maria Affonso, Paulo Roberto Antunes de Mello |
| description | Killifishes are a unique and diversified fish group composed of several annual species inhabiting ephemeral pools in tropical and subtropical regions. Moreover, many genera have probably undergone fast speciation with a high number of short-ranged species of controversial taxonomy. This is the case of the “
Hypsolebias flavicaudatus
” complex (Aplocheiloidei, Rivulidae) that includes nine recently described taxa of remarkable morphological similarity, endemic to Brazil. Considering the potential of cytotaxonomy of killifishes, as presently revised, we performed cytogenetic analyses in two sister species within this complex (
H. flagellatus
and
H. janaubensis
), including the first mapping of ribosomal genes in
Hypsolebias
. Despite sharing 48 chromosomes and similar distribution of heterochromatin and 5S rDNA, their karyotype formula probably differed as a result of pericentric inversions. In addition,
H. flagellatus
presented a single pair bearing 18S rDNA and GC-rich regions, while multiple GC-rich and 18S signals (up to 28 chromosomes) were detected in
H. janaubensis
. These results reinforce the dynamism of karyotype evolution in annual killifishes favored by population isolation and small effective size. Thus, cytogenetic variation seems to be closely associated with speciation in Aplocheiloidei, representing a useful tool for identifying similar species in
Hypsolebias
complex, which are vulnerable to extinction. |
| doi_str_mv | 10.1089/zeb.2019.1822 |
| format | Article |
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Hypsolebias flavicaudatus
” complex (Aplocheiloidei, Rivulidae) that includes nine recently described taxa of remarkable morphological similarity, endemic to Brazil. Considering the potential of cytotaxonomy of killifishes, as presently revised, we performed cytogenetic analyses in two sister species within this complex (
H. flagellatus
and
H. janaubensis
), including the first mapping of ribosomal genes in
Hypsolebias
. Despite sharing 48 chromosomes and similar distribution of heterochromatin and 5S rDNA, their karyotype formula probably differed as a result of pericentric inversions. In addition,
H. flagellatus
presented a single pair bearing 18S rDNA and GC-rich regions, while multiple GC-rich and 18S signals (up to 28 chromosomes) were detected in
H. janaubensis
. These results reinforce the dynamism of karyotype evolution in annual killifishes favored by population isolation and small effective size. Thus, cytogenetic variation seems to be closely associated with speciation in Aplocheiloidei, representing a useful tool for identifying similar species in
Hypsolebias
complex, which are vulnerable to extinction.</description><identifier>ISSN: 1545-8547</identifier><identifier>EISSN: 1557-8542</identifier><identifier>DOI: 10.1089/zeb.2019.1822</identifier><identifier>PMID: 31930953</identifier><language>eng</language><publisher>United States: Mary Ann Liebert, Inc., publishers</publisher><subject>Animals ; Aplocheiloidei ; Biological evolution ; Brazil ; Chromosomes ; Chromosomes - genetics ; Cyprinodontidae ; Cyprinodontiformes - classification ; Cyprinodontiformes - genetics ; Cytogenetics ; DNA ; DNA, Ribosomal - analysis ; Endangered Species ; Endemic species ; Evo Fish ; Female ; Fish ; Gene mapping ; Genera ; Genetic Markers - genetics ; Hemileius flagellatus ; Heterochromatin ; In Situ Hybridization, Fluorescence ; Inversions ; Karyotypes ; Male ; Mapping ; Rare species ; Regions ; Sibling species ; Speciation ; Species identification ; Taxonomic revision ; Taxonomy ; Threatened species ; Tropical climate ; Vulnerable species</subject><ispartof>Zebrafish, 2020-02, Vol.17 (1), p.48-55</ispartof><rights>2020, Mary Ann Liebert, Inc., publishers</rights><rights>Copyright Mary Ann Liebert, Inc. Feb 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c365t-94252ad90e8d4cff4df69ac8c805cbe4f6a300f1497b5b476118be580218c3b63</citedby><cites>FETCH-LOGICAL-c365t-94252ad90e8d4cff4df69ac8c805cbe4f6a300f1497b5b476118be580218c3b63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31930953$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Dutra, Rayana Tiago</creatorcontrib><creatorcontrib>Bitencourt, Jamille de A</creatorcontrib><creatorcontrib>Barreto Netto, Maria Rita de Cascia</creatorcontrib><creatorcontrib>Paim, Fabilene Gomes</creatorcontrib><creatorcontrib>Sarmento-Soares, Luisa Maria</creatorcontrib><creatorcontrib>Affonso, Paulo Roberto Antunes de Mello</creatorcontrib><title>Chromosomal Markers Are Useful to Species Identification in Rivulidae (Cyprinodontiformes, Aplocheiloidei), Including the Resolution of Taxonomic Uncertainties in a Vulnerable Species Complex</title><title>Zebrafish</title><addtitle>Zebrafish</addtitle><description>Killifishes are a unique and diversified fish group composed of several annual species inhabiting ephemeral pools in tropical and subtropical regions. Moreover, many genera have probably undergone fast speciation with a high number of short-ranged species of controversial taxonomy. This is the case of the “
Hypsolebias flavicaudatus
” complex (Aplocheiloidei, Rivulidae) that includes nine recently described taxa of remarkable morphological similarity, endemic to Brazil. Considering the potential of cytotaxonomy of killifishes, as presently revised, we performed cytogenetic analyses in two sister species within this complex (
H. flagellatus
and
H. janaubensis
), including the first mapping of ribosomal genes in
Hypsolebias
. Despite sharing 48 chromosomes and similar distribution of heterochromatin and 5S rDNA, their karyotype formula probably differed as a result of pericentric inversions. In addition,
H. flagellatus
presented a single pair bearing 18S rDNA and GC-rich regions, while multiple GC-rich and 18S signals (up to 28 chromosomes) were detected in
H. janaubensis
. These results reinforce the dynamism of karyotype evolution in annual killifishes favored by population isolation and small effective size. Thus, cytogenetic variation seems to be closely associated with speciation in Aplocheiloidei, representing a useful tool for identifying similar species in
Hypsolebias
complex, which are vulnerable to extinction.</description><subject>Animals</subject><subject>Aplocheiloidei</subject><subject>Biological evolution</subject><subject>Brazil</subject><subject>Chromosomes</subject><subject>Chromosomes - genetics</subject><subject>Cyprinodontidae</subject><subject>Cyprinodontiformes - classification</subject><subject>Cyprinodontiformes - genetics</subject><subject>Cytogenetics</subject><subject>DNA</subject><subject>DNA, Ribosomal - analysis</subject><subject>Endangered Species</subject><subject>Endemic species</subject><subject>Evo Fish</subject><subject>Female</subject><subject>Fish</subject><subject>Gene mapping</subject><subject>Genera</subject><subject>Genetic Markers - genetics</subject><subject>Hemileius flagellatus</subject><subject>Heterochromatin</subject><subject>In Situ Hybridization, Fluorescence</subject><subject>Inversions</subject><subject>Karyotypes</subject><subject>Male</subject><subject>Mapping</subject><subject>Rare species</subject><subject>Regions</subject><subject>Sibling species</subject><subject>Speciation</subject><subject>Species identification</subject><subject>Taxonomic revision</subject><subject>Taxonomy</subject><subject>Threatened species</subject><subject>Tropical climate</subject><subject>Vulnerable species</subject><issn>1545-8547</issn><issn>1557-8542</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1v1DAQhi0EomXhyBVZ4lKkZrHjOGsfVxEfKxUhlS7XyHHGrItjp3aCWv4cfw2HLT1w4TSj0aNnRvMi9JKSNSVCvv0J3bokVK6pKMtH6JRyvikEr8rHS1_xpd-coGcpXRPCmGTVU3TCqGREcnaKfjWHGIaQwqAc_qTid4gJbyPgfQIzOzwF_GUEbSHhXQ9-ssZqNdngsfX40v6Yne0V4LPmbozWhz4sSIgDpHO8HV3QB7Au2B7sm3O889rNvfXf8HQAfAkpuPmPKxh8pW6DD4PVeO81xEnZbMpb8xqFv87OQ1Sdg4drmjCMDm6foydGuQQv7usK7d-_u2o-FhefP-ya7UWhWc2nQlYlL1UvCYi-0sZUvaml0kILwnUHlakVI8TQSm463lWbmlLRARekpEKzrmYrdHb0jjHczJCmdrBJg3PKQ5hTWzImSC2EKDP6-h_0OszR5-syldWEyEyvUHGkdAwpRTBtfuCg4l1LSbsk2-Zk2yXZdkk286_urXM3QP9A_40yA-wILGPlvbPQ5T_-R_sbxQ-zxQ</recordid><startdate>20200201</startdate><enddate>20200201</enddate><creator>Dutra, Rayana Tiago</creator><creator>Bitencourt, Jamille de A</creator><creator>Barreto Netto, Maria Rita de Cascia</creator><creator>Paim, Fabilene Gomes</creator><creator>Sarmento-Soares, Luisa Maria</creator><creator>Affonso, Paulo Roberto Antunes de Mello</creator><general>Mary Ann Liebert, Inc., publishers</general><general>Mary Ann Liebert, Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7QL</scope><scope>7T5</scope><scope>7TM</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H94</scope><scope>H95</scope><scope>H98</scope><scope>H99</scope><scope>L.F</scope><scope>L.G</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>20200201</creationdate><title>Chromosomal Markers Are Useful to Species Identification in Rivulidae (Cyprinodontiformes, Aplocheiloidei), Including the Resolution of Taxonomic Uncertainties in a Vulnerable Species Complex</title><author>Dutra, Rayana Tiago ; Bitencourt, Jamille de A ; Barreto Netto, Maria Rita de Cascia ; Paim, Fabilene Gomes ; Sarmento-Soares, Luisa Maria ; Affonso, Paulo Roberto Antunes de Mello</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c365t-94252ad90e8d4cff4df69ac8c805cbe4f6a300f1497b5b476118be580218c3b63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Animals</topic><topic>Aplocheiloidei</topic><topic>Biological evolution</topic><topic>Brazil</topic><topic>Chromosomes</topic><topic>Chromosomes - genetics</topic><topic>Cyprinodontidae</topic><topic>Cyprinodontiformes - classification</topic><topic>Cyprinodontiformes - genetics</topic><topic>Cytogenetics</topic><topic>DNA</topic><topic>DNA, Ribosomal - analysis</topic><topic>Endangered Species</topic><topic>Endemic species</topic><topic>Evo Fish</topic><topic>Female</topic><topic>Fish</topic><topic>Gene mapping</topic><topic>Genera</topic><topic>Genetic Markers - genetics</topic><topic>Hemileius flagellatus</topic><topic>Heterochromatin</topic><topic>In Situ Hybridization, Fluorescence</topic><topic>Inversions</topic><topic>Karyotypes</topic><topic>Male</topic><topic>Mapping</topic><topic>Rare species</topic><topic>Regions</topic><topic>Sibling species</topic><topic>Speciation</topic><topic>Species identification</topic><topic>Taxonomic revision</topic><topic>Taxonomy</topic><topic>Threatened species</topic><topic>Tropical climate</topic><topic>Vulnerable species</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dutra, Rayana Tiago</creatorcontrib><creatorcontrib>Bitencourt, Jamille de A</creatorcontrib><creatorcontrib>Barreto Netto, Maria Rita de Cascia</creatorcontrib><creatorcontrib>Paim, Fabilene Gomes</creatorcontrib><creatorcontrib>Sarmento-Soares, Luisa Maria</creatorcontrib><creatorcontrib>Affonso, Paulo Roberto Antunes de Mello</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Immunology Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Aquaculture Abstracts</collection><collection>ASFA: Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Zebrafish</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dutra, Rayana Tiago</au><au>Bitencourt, Jamille de A</au><au>Barreto Netto, Maria Rita de Cascia</au><au>Paim, Fabilene Gomes</au><au>Sarmento-Soares, Luisa Maria</au><au>Affonso, Paulo Roberto Antunes de Mello</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Chromosomal Markers Are Useful to Species Identification in Rivulidae (Cyprinodontiformes, Aplocheiloidei), Including the Resolution of Taxonomic Uncertainties in a Vulnerable Species Complex</atitle><jtitle>Zebrafish</jtitle><addtitle>Zebrafish</addtitle><date>2020-02-01</date><risdate>2020</risdate><volume>17</volume><issue>1</issue><spage>48</spage><epage>55</epage><pages>48-55</pages><issn>1545-8547</issn><eissn>1557-8542</eissn><abstract>Killifishes are a unique and diversified fish group composed of several annual species inhabiting ephemeral pools in tropical and subtropical regions. Moreover, many genera have probably undergone fast speciation with a high number of short-ranged species of controversial taxonomy. This is the case of the “
Hypsolebias flavicaudatus
” complex (Aplocheiloidei, Rivulidae) that includes nine recently described taxa of remarkable morphological similarity, endemic to Brazil. Considering the potential of cytotaxonomy of killifishes, as presently revised, we performed cytogenetic analyses in two sister species within this complex (
H. flagellatus
and
H. janaubensis
), including the first mapping of ribosomal genes in
Hypsolebias
. Despite sharing 48 chromosomes and similar distribution of heterochromatin and 5S rDNA, their karyotype formula probably differed as a result of pericentric inversions. In addition,
H. flagellatus
presented a single pair bearing 18S rDNA and GC-rich regions, while multiple GC-rich and 18S signals (up to 28 chromosomes) were detected in
H. janaubensis
. These results reinforce the dynamism of karyotype evolution in annual killifishes favored by population isolation and small effective size. Thus, cytogenetic variation seems to be closely associated with speciation in Aplocheiloidei, representing a useful tool for identifying similar species in
Hypsolebias
complex, which are vulnerable to extinction.</abstract><cop>United States</cop><pub>Mary Ann Liebert, Inc., publishers</pub><pmid>31930953</pmid><doi>10.1089/zeb.2019.1822</doi><tpages>8</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Zebrafish, 2020-02, Vol.17 (1), p.48-55 |
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| language | eng |
| recordid | cdi_proquest_miscellaneous_2338068882 |
| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Animals Aplocheiloidei Biological evolution Brazil Chromosomes Chromosomes - genetics Cyprinodontidae Cyprinodontiformes - classification Cyprinodontiformes - genetics Cytogenetics DNA DNA, Ribosomal - analysis Endangered Species Endemic species Evo Fish Female Fish Gene mapping Genera Genetic Markers - genetics Hemileius flagellatus Heterochromatin In Situ Hybridization, Fluorescence Inversions Karyotypes Male Mapping Rare species Regions Sibling species Speciation Species identification Taxonomic revision Taxonomy Threatened species Tropical climate Vulnerable species |
| title | Chromosomal Markers Are Useful to Species Identification in Rivulidae (Cyprinodontiformes, Aplocheiloidei), Including the Resolution of Taxonomic Uncertainties in a Vulnerable Species Complex |
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