Evidence of a rudimentary colon in the elasmobranch, Leucoraja erinacea
The transition from aquatic to terrestrial life presented tetrapodamorphs with the challenge of maintaining water homeostasis and preventing desiccation on land. The colon evolved in terrestrial vertebrates to help maintain fluid balance. Although marine elasmobranchs lack a colon, their spiral inte...
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| Veröffentlicht in: | Development genes and evolution 2012-07, Vol.222 (4), p.237-243 |
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| creator | Theodosiou, Nicole Alexandra Simeone, Alyssa |
| description | The transition from aquatic to terrestrial life presented tetrapodamorphs with the challenge of maintaining water homeostasis and preventing desiccation on land. The colon evolved in terrestrial vertebrates to help maintain fluid balance. Although marine elasmobranchs lack a colon, their spiral intestine contains a subregion that histologically appears to be colon-like, possibly representing an evolutionary precursor to terrestrial digestive tracts. The distal-most region of the spiral intestine of elasmobranchs has no villi and a large number of acid mucins: hallmarks of water absorption in the colons of terrestrial animals. To determine if histologically distinct regions of the elasmobranch digestive tract correspond to functional differences, we compared water absorption in different subregions of the skate, Leucoraja erinacea digestive tract. Water absorption in stomach and spiral intestinal sacs was linear with time and not hydrostatic pressure-dependent. The histologically distinct distal portion of the spiral intestine had a threefold higher rate of water absorption than the proximal portion of the spiral intestine. In addition, the water-selective, colon-specific aquaporin 4 is expressed strongly in the distal spiral intestine epithelia, correlating with the region of the spiral intestine exhibiting the greatest rate of water absorption. We demonstrate that the distal spiral intestine is histologically and functionally distinct from the rest of the spiral intestine and represents a rudimentary colon within the vertebrate lineage. |
| doi_str_mv | 10.1007/s00427-012-0406-8 |
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The colon evolved in terrestrial vertebrates to help maintain fluid balance. Although marine elasmobranchs lack a colon, their spiral intestine contains a subregion that histologically appears to be colon-like, possibly representing an evolutionary precursor to terrestrial digestive tracts. The distal-most region of the spiral intestine of elasmobranchs has no villi and a large number of acid mucins: hallmarks of water absorption in the colons of terrestrial animals. To determine if histologically distinct regions of the elasmobranch digestive tract correspond to functional differences, we compared water absorption in different subregions of the skate, Leucoraja erinacea digestive tract. Water absorption in stomach and spiral intestinal sacs was linear with time and not hydrostatic pressure-dependent. The histologically distinct distal portion of the spiral intestine had a threefold higher rate of water absorption than the proximal portion of the spiral intestine. In addition, the water-selective, colon-specific aquaporin 4 is expressed strongly in the distal spiral intestine epithelia, correlating with the region of the spiral intestine exhibiting the greatest rate of water absorption. We demonstrate that the distal spiral intestine is histologically and functionally distinct from the rest of the spiral intestine and represents a rudimentary colon within the vertebrate lineage.</description><identifier>ISSN: 0949-944X</identifier><identifier>EISSN: 1432-041X</identifier><identifier>DOI: 10.1007/s00427-012-0406-8</identifier><identifier>PMID: 22610344</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>absorption ; Animal Genetics and Genomics ; Animals ; Aquaporin 4 - metabolism ; aquaporins ; Biological Evolution ; Biomedical and Life Sciences ; Cell Biology ; Colon ; Developmental Biology ; digestive tract ; Evolutionary Biology ; Fish Proteins - metabolism ; homeostasis ; Leucoraja erinacea ; Life Sciences ; Male ; mucins ; Plant Genetics and Genomics ; Short Communication ; Skates (Fish) - anatomy & histology ; Skates (Fish) - physiology ; stomach ; vertebrates ; villi ; Water - metabolism ; Zoology</subject><ispartof>Development genes and evolution, 2012-07, Vol.222 (4), p.237-243</ispartof><rights>Springer-Verlag 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c396t-e9fb3df150977de2f6ecab89287a33d41624e307d4e7e48d79f389df42eeac803</citedby><cites>FETCH-LOGICAL-c396t-e9fb3df150977de2f6ecab89287a33d41624e307d4e7e48d79f389df42eeac803</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00427-012-0406-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00427-012-0406-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22610344$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Theodosiou, Nicole Alexandra</creatorcontrib><creatorcontrib>Simeone, Alyssa</creatorcontrib><title>Evidence of a rudimentary colon in the elasmobranch, Leucoraja erinacea</title><title>Development genes and evolution</title><addtitle>Dev Genes Evol</addtitle><addtitle>Dev Genes Evol</addtitle><description>The transition from aquatic to terrestrial life presented tetrapodamorphs with the challenge of maintaining water homeostasis and preventing desiccation on land. The colon evolved in terrestrial vertebrates to help maintain fluid balance. Although marine elasmobranchs lack a colon, their spiral intestine contains a subregion that histologically appears to be colon-like, possibly representing an evolutionary precursor to terrestrial digestive tracts. The distal-most region of the spiral intestine of elasmobranchs has no villi and a large number of acid mucins: hallmarks of water absorption in the colons of terrestrial animals. To determine if histologically distinct regions of the elasmobranch digestive tract correspond to functional differences, we compared water absorption in different subregions of the skate, Leucoraja erinacea digestive tract. Water absorption in stomach and spiral intestinal sacs was linear with time and not hydrostatic pressure-dependent. The histologically distinct distal portion of the spiral intestine had a threefold higher rate of water absorption than the proximal portion of the spiral intestine. In addition, the water-selective, colon-specific aquaporin 4 is expressed strongly in the distal spiral intestine epithelia, correlating with the region of the spiral intestine exhibiting the greatest rate of water absorption. We demonstrate that the distal spiral intestine is histologically and functionally distinct from the rest of the spiral intestine and represents a rudimentary colon within the vertebrate lineage.</description><subject>absorption</subject><subject>Animal Genetics and Genomics</subject><subject>Animals</subject><subject>Aquaporin 4 - metabolism</subject><subject>aquaporins</subject><subject>Biological Evolution</subject><subject>Biomedical and Life Sciences</subject><subject>Cell Biology</subject><subject>Colon</subject><subject>Developmental Biology</subject><subject>digestive tract</subject><subject>Evolutionary Biology</subject><subject>Fish Proteins - metabolism</subject><subject>homeostasis</subject><subject>Leucoraja erinacea</subject><subject>Life Sciences</subject><subject>Male</subject><subject>mucins</subject><subject>Plant Genetics and Genomics</subject><subject>Short Communication</subject><subject>Skates (Fish) - anatomy & histology</subject><subject>Skates (Fish) - physiology</subject><subject>stomach</subject><subject>vertebrates</subject><subject>villi</subject><subject>Water - metabolism</subject><subject>Zoology</subject><issn>0949-944X</issn><issn>1432-041X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kE1LHTEUhkOx1KvtD3CjgW5cdOzJx0wmSxFrCxe6qIK7kJuc6FxmEk3uFPrvm8vYIoWSRQh53vckDyEnDC4YgPpcACRXDTDegISu6d-QFZNif2L3B2QFWupGS3l_SI5K2UIFtWjfkUPOOwZCyhW5uf45eIwOaQrU0jz7YcK4s_kXdWlMkQ6R7h6R4mjLlDbZRvf4ia5xdinbraWYh2gd2vfkbbBjwQ8v-zG5-3J9e_W1WX-_-XZ1uW6c0N2uQR02wgfWglbKIw8dOrvpNe-VFcJL1nGJApSXqFD2Xukgeu2D5IjW9SCOyfnS-5TT84xlZ6ahOBxHGzHNxTBgveh0q1lFP_6DbtOcY33dnlJKtqLllWIL5XIqJWMwT3mY6v8rZPaWzWLZVHlmb9n0NXP60jxvJvR_E3-0VoAvQKlX8QHz69H_bz1bQsEmYx_yUMzdDw5MAoCuqxW_AaTEj3I</recordid><startdate>20120701</startdate><enddate>20120701</enddate><creator>Theodosiou, Nicole Alexandra</creator><creator>Simeone, Alyssa</creator><general>Springer-Verlag</general><general>Springer Nature B.V</general><scope>FBQ</scope><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>3V.</scope><scope>7QP</scope><scope>7SS</scope><scope>7TK</scope><scope>7TM</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>20120701</creationdate><title>Evidence of a rudimentary colon in the elasmobranch, Leucoraja erinacea</title><author>Theodosiou, Nicole Alexandra ; Simeone, Alyssa</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c396t-e9fb3df150977de2f6ecab89287a33d41624e307d4e7e48d79f389df42eeac803</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>absorption</topic><topic>Animal Genetics and Genomics</topic><topic>Animals</topic><topic>Aquaporin 4 - metabolism</topic><topic>aquaporins</topic><topic>Biological Evolution</topic><topic>Biomedical and Life Sciences</topic><topic>Cell Biology</topic><topic>Colon</topic><topic>Developmental Biology</topic><topic>digestive tract</topic><topic>Evolutionary Biology</topic><topic>Fish Proteins - metabolism</topic><topic>homeostasis</topic><topic>Leucoraja erinacea</topic><topic>Life Sciences</topic><topic>Male</topic><topic>mucins</topic><topic>Plant Genetics and Genomics</topic><topic>Short Communication</topic><topic>Skates (Fish) - anatomy & histology</topic><topic>Skates (Fish) - physiology</topic><topic>stomach</topic><topic>vertebrates</topic><topic>villi</topic><topic>Water - metabolism</topic><topic>Zoology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Theodosiou, Nicole Alexandra</creatorcontrib><creatorcontrib>Simeone, Alyssa</creatorcontrib><collection>AGRIS</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Development genes and evolution</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Theodosiou, Nicole Alexandra</au><au>Simeone, Alyssa</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evidence of a rudimentary colon in the elasmobranch, Leucoraja erinacea</atitle><jtitle>Development genes and evolution</jtitle><stitle>Dev Genes Evol</stitle><addtitle>Dev Genes Evol</addtitle><date>2012-07-01</date><risdate>2012</risdate><volume>222</volume><issue>4</issue><spage>237</spage><epage>243</epage><pages>237-243</pages><issn>0949-944X</issn><eissn>1432-041X</eissn><abstract>The transition from aquatic to terrestrial life presented tetrapodamorphs with the challenge of maintaining water homeostasis and preventing desiccation on land. The colon evolved in terrestrial vertebrates to help maintain fluid balance. Although marine elasmobranchs lack a colon, their spiral intestine contains a subregion that histologically appears to be colon-like, possibly representing an evolutionary precursor to terrestrial digestive tracts. The distal-most region of the spiral intestine of elasmobranchs has no villi and a large number of acid mucins: hallmarks of water absorption in the colons of terrestrial animals. To determine if histologically distinct regions of the elasmobranch digestive tract correspond to functional differences, we compared water absorption in different subregions of the skate, Leucoraja erinacea digestive tract. Water absorption in stomach and spiral intestinal sacs was linear with time and not hydrostatic pressure-dependent. The histologically distinct distal portion of the spiral intestine had a threefold higher rate of water absorption than the proximal portion of the spiral intestine. In addition, the water-selective, colon-specific aquaporin 4 is expressed strongly in the distal spiral intestine epithelia, correlating with the region of the spiral intestine exhibiting the greatest rate of water absorption. We demonstrate that the distal spiral intestine is histologically and functionally distinct from the rest of the spiral intestine and represents a rudimentary colon within the vertebrate lineage.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><pmid>22610344</pmid><doi>10.1007/s00427-012-0406-8</doi><tpages>7</tpages></addata></record> |
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| subjects | absorption Animal Genetics and Genomics Animals Aquaporin 4 - metabolism aquaporins Biological Evolution Biomedical and Life Sciences Cell Biology Colon Developmental Biology digestive tract Evolutionary Biology Fish Proteins - metabolism homeostasis Leucoraja erinacea Life Sciences Male mucins Plant Genetics and Genomics Short Communication Skates (Fish) - anatomy & histology Skates (Fish) - physiology stomach vertebrates villi Water - metabolism Zoology |
| title | Evidence of a rudimentary colon in the elasmobranch, Leucoraja erinacea |
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