Melatonin cycle in the fiddler crab Uca pugilator and influence of melatonin on limb regeneration
Tilden AR, Rasmussen P, Awantang RM, Furlan S, Goldstein J, Palsgrove M, Sauer A. Melatonin cycle in the fiddler crab Uca pugilator and influence of melatonin on limb regeneration. J. Pineal Res. 1997; 23:142–147. © Munksgaard, Copenhagen Melatonin was measured over 24 hr in the eyestalks of Uca pug...
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| description | Tilden AR, Rasmussen P, Awantang RM, Furlan S, Goldstein J, Palsgrove M, Sauer A. Melatonin cycle in the fiddler crab Uca pugilator and influence of melatonin on limb regeneration. J. Pineal Res. 1997; 23:142–147. © Munksgaard, Copenhagen
Melatonin was measured over 24 hr in the eyestalks of Uca pugilator by means of radioimmunoassay; crabs were acclimatized either to a LD 12:12 photoperiod or constant darkness. A significant peak occurred at 13.00 hr in the LD 12:12 crabs. A photophase peak in melatonin has only been reported in one other species, also a crustacean. In constant darkness, two melatonin peaks occurred, one at 16.00 hr and the other 12 hr later; these results suggest that the melatonin cycle is a true circadian rhythm. HPLC with ultraviolet‐visible detection was used to confirm the identity of melatonin immunoactivity. The influence of melatonin on regeneration of the walking legs was also examined: eyestalks were either removed or left intact, and limb bud length was measured every other day for at least 17 days in control and melatonin‐treated crabs (60 μg ml‐1 seawater). Melatonin significantly increased the rate of limb regeneration in both eyestalk‐intact and eyestalk‐removed groups; this is contrary to results of regeneration studies in other phyla, in which similar melatonin concentrations inhibited regeneration. |
| doi_str_mv | 10.1111/j.1600-079X.1997.tb00347.x |
| format | Article |
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Melatonin was measured over 24 hr in the eyestalks of Uca pugilator by means of radioimmunoassay; crabs were acclimatized either to a LD 12:12 photoperiod or constant darkness. A significant peak occurred at 13.00 hr in the LD 12:12 crabs. A photophase peak in melatonin has only been reported in one other species, also a crustacean. In constant darkness, two melatonin peaks occurred, one at 16.00 hr and the other 12 hr later; these results suggest that the melatonin cycle is a true circadian rhythm. HPLC with ultraviolet‐visible detection was used to confirm the identity of melatonin immunoactivity. The influence of melatonin on regeneration of the walking legs was also examined: eyestalks were either removed or left intact, and limb bud length was measured every other day for at least 17 days in control and melatonin‐treated crabs (60 μg ml‐1 seawater). Melatonin significantly increased the rate of limb regeneration in both eyestalk‐intact and eyestalk‐removed groups; this is contrary to results of regeneration studies in other phyla, in which similar melatonin concentrations inhibited regeneration.</description><identifier>ISSN: 0742-3098</identifier><identifier>EISSN: 1600-079X</identifier><identifier>DOI: 10.1111/j.1600-079X.1997.tb00347.x</identifier><identifier>PMID: 9406985</identifier><identifier>CODEN: JPRSE9</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Animals ; Antioxidants - analysis ; Antioxidants - metabolism ; Biochemistry. Physiology. Immunology ; Biological and medical sciences ; Brachyura - chemistry ; Brachyura - physiology ; Chromatography, High Pressure Liquid ; Circadian Rhythm - physiology ; Crustacea ; Extremities - physiology ; eyestalks ; fiddler crabs ; Free Radical Scavengers - analysis ; Free Radical Scavengers - metabolism ; Fundamental and applied biological sciences. Psychology ; Hemolymph - chemistry ; Invertebrates ; Male ; Marine ; melatonin ; Melatonin - analysis ; Melatonin - physiology ; Photoperiod ; Photoreceptor Cells, Invertebrate - chemistry ; Photoreceptor Cells, Invertebrate - physiology ; Physiology. Development ; Radioimmunoassay ; regeneration ; Regeneration - physiology ; Uca pugilator</subject><ispartof>Journal of pineal research, 1997-10, Vol.23 (3), p.142-147</ispartof><rights>1997 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4362-fc5df2f7e4e58d739868cf9e9fb10549ca7ee82ba6784839f00f27bab3d0a3a53</citedby><cites>FETCH-LOGICAL-c4362-fc5df2f7e4e58d739868cf9e9fb10549ca7ee82ba6784839f00f27bab3d0a3a53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1600-079X.1997.tb00347.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1600-079X.1997.tb00347.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2855788$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9406985$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tilden, Andrea R.</creatorcontrib><creatorcontrib>Rasmussen, Paul</creatorcontrib><creatorcontrib>Awantang, Ruth M.</creatorcontrib><creatorcontrib>Furlan, Scott</creatorcontrib><creatorcontrib>Goldstein, Jessica</creatorcontrib><creatorcontrib>Palsgrove, Michael</creatorcontrib><creatorcontrib>Sauer, Angeline</creatorcontrib><title>Melatonin cycle in the fiddler crab Uca pugilator and influence of melatonin on limb regeneration</title><title>Journal of pineal research</title><addtitle>J Pineal Res</addtitle><description>Tilden AR, Rasmussen P, Awantang RM, Furlan S, Goldstein J, Palsgrove M, Sauer A. Melatonin cycle in the fiddler crab Uca pugilator and influence of melatonin on limb regeneration. J. Pineal Res. 1997; 23:142–147. © Munksgaard, Copenhagen
Melatonin was measured over 24 hr in the eyestalks of Uca pugilator by means of radioimmunoassay; crabs were acclimatized either to a LD 12:12 photoperiod or constant darkness. A significant peak occurred at 13.00 hr in the LD 12:12 crabs. A photophase peak in melatonin has only been reported in one other species, also a crustacean. In constant darkness, two melatonin peaks occurred, one at 16.00 hr and the other 12 hr later; these results suggest that the melatonin cycle is a true circadian rhythm. HPLC with ultraviolet‐visible detection was used to confirm the identity of melatonin immunoactivity. The influence of melatonin on regeneration of the walking legs was also examined: eyestalks were either removed or left intact, and limb bud length was measured every other day for at least 17 days in control and melatonin‐treated crabs (60 μg ml‐1 seawater). Melatonin significantly increased the rate of limb regeneration in both eyestalk‐intact and eyestalk‐removed groups; this is contrary to results of regeneration studies in other phyla, in which similar melatonin concentrations inhibited regeneration.</description><subject>Animals</subject><subject>Antioxidants - analysis</subject><subject>Antioxidants - metabolism</subject><subject>Biochemistry. Physiology. Immunology</subject><subject>Biological and medical sciences</subject><subject>Brachyura - chemistry</subject><subject>Brachyura - physiology</subject><subject>Chromatography, High Pressure Liquid</subject><subject>Circadian Rhythm - physiology</subject><subject>Crustacea</subject><subject>Extremities - physiology</subject><subject>eyestalks</subject><subject>fiddler crabs</subject><subject>Free Radical Scavengers - analysis</subject><subject>Free Radical Scavengers - metabolism</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hemolymph - chemistry</subject><subject>Invertebrates</subject><subject>Male</subject><subject>Marine</subject><subject>melatonin</subject><subject>Melatonin - analysis</subject><subject>Melatonin - physiology</subject><subject>Photoperiod</subject><subject>Photoreceptor Cells, Invertebrate - chemistry</subject><subject>Photoreceptor Cells, Invertebrate - physiology</subject><subject>Physiology. Development</subject><subject>Radioimmunoassay</subject><subject>regeneration</subject><subject>Regeneration - physiology</subject><subject>Uca pugilator</subject><issn>0742-3098</issn><issn>1600-079X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqVkM1u1DAURi0EKkPhEZAshNglOHHiHxZIMKKl1bRUVauysxznunhwksFO1Jm3J9FE2dcbW_rO_a51EPqQkTQbz-dtmjFCEsLl7zSTkqd9RQgteLp_gVZL9BKtCC_yhBIpXqM3MW4JIUIIdoJOZEGYFOUK6Svwuu9a12JzMB7w-Oj_ALaurj0EbIKu8L3ReDc8uokMWLf1SFk_QGsAdxY3S0XXYu-aCgd4hBaC7l3XvkWvrPYR3s33Kbo_-3G3_plsfp1frL9tElNQlifWlLXNLYcCSlFzKgUTxkqQtspIWUijOYDIK824KASVlhCb80pXtCaa6pKeok_H3l3o_g0Qe9W4aMB73UI3RJWxnGU05yP45Qia0MUYwKpdcI0OB5URNflVWzVJVJNENflVs1-1H4ffz1uGqoF6GZ2FjvnHOdfRaG-Dbo2LC5aLsuRCjNjXI_bkPBye8QF1eXORFflYkBwLXOxhvxTo8FcxTnmpHq7P1dXt5uaafn9Qa_ofYemocg</recordid><startdate>199710</startdate><enddate>199710</enddate><creator>Tilden, Andrea R.</creator><creator>Rasmussen, Paul</creator><creator>Awantang, Ruth M.</creator><creator>Furlan, Scott</creator><creator>Goldstein, Jessica</creator><creator>Palsgrove, Michael</creator><creator>Sauer, Angeline</creator><general>Blackwell Publishing Ltd</general><general>Blackwell</general><scope>BSCLL</scope><scope>IQODW</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>7TK</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope></search><sort><creationdate>199710</creationdate><title>Melatonin cycle in the fiddler crab Uca pugilator and influence of melatonin on limb regeneration</title><author>Tilden, Andrea R. ; Rasmussen, Paul ; Awantang, Ruth M. ; Furlan, Scott ; Goldstein, Jessica ; Palsgrove, Michael ; Sauer, Angeline</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4362-fc5df2f7e4e58d739868cf9e9fb10549ca7ee82ba6784839f00f27bab3d0a3a53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Animals</topic><topic>Antioxidants - analysis</topic><topic>Antioxidants - metabolism</topic><topic>Biochemistry. Physiology. Immunology</topic><topic>Biological and medical sciences</topic><topic>Brachyura - chemistry</topic><topic>Brachyura - physiology</topic><topic>Chromatography, High Pressure Liquid</topic><topic>Circadian Rhythm - physiology</topic><topic>Crustacea</topic><topic>Extremities - physiology</topic><topic>eyestalks</topic><topic>fiddler crabs</topic><topic>Free Radical Scavengers - analysis</topic><topic>Free Radical Scavengers - metabolism</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hemolymph - chemistry</topic><topic>Invertebrates</topic><topic>Male</topic><topic>Marine</topic><topic>melatonin</topic><topic>Melatonin - analysis</topic><topic>Melatonin - physiology</topic><topic>Photoperiod</topic><topic>Photoreceptor Cells, Invertebrate - chemistry</topic><topic>Photoreceptor Cells, Invertebrate - physiology</topic><topic>Physiology. Development</topic><topic>Radioimmunoassay</topic><topic>regeneration</topic><topic>Regeneration - physiology</topic><topic>Uca pugilator</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tilden, Andrea R.</creatorcontrib><creatorcontrib>Rasmussen, Paul</creatorcontrib><creatorcontrib>Awantang, Ruth M.</creatorcontrib><creatorcontrib>Furlan, Scott</creatorcontrib><creatorcontrib>Goldstein, Jessica</creatorcontrib><creatorcontrib>Palsgrove, Michael</creatorcontrib><creatorcontrib>Sauer, Angeline</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Neurosciences Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Journal of pineal research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tilden, Andrea R.</au><au>Rasmussen, Paul</au><au>Awantang, Ruth M.</au><au>Furlan, Scott</au><au>Goldstein, Jessica</au><au>Palsgrove, Michael</au><au>Sauer, Angeline</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Melatonin cycle in the fiddler crab Uca pugilator and influence of melatonin on limb regeneration</atitle><jtitle>Journal of pineal research</jtitle><addtitle>J Pineal Res</addtitle><date>1997-10</date><risdate>1997</risdate><volume>23</volume><issue>3</issue><spage>142</spage><epage>147</epage><pages>142-147</pages><issn>0742-3098</issn><eissn>1600-079X</eissn><coden>JPRSE9</coden><abstract>Tilden AR, Rasmussen P, Awantang RM, Furlan S, Goldstein J, Palsgrove M, Sauer A. Melatonin cycle in the fiddler crab Uca pugilator and influence of melatonin on limb regeneration. J. Pineal Res. 1997; 23:142–147. © Munksgaard, Copenhagen
Melatonin was measured over 24 hr in the eyestalks of Uca pugilator by means of radioimmunoassay; crabs were acclimatized either to a LD 12:12 photoperiod or constant darkness. A significant peak occurred at 13.00 hr in the LD 12:12 crabs. A photophase peak in melatonin has only been reported in one other species, also a crustacean. In constant darkness, two melatonin peaks occurred, one at 16.00 hr and the other 12 hr later; these results suggest that the melatonin cycle is a true circadian rhythm. HPLC with ultraviolet‐visible detection was used to confirm the identity of melatonin immunoactivity. The influence of melatonin on regeneration of the walking legs was also examined: eyestalks were either removed or left intact, and limb bud length was measured every other day for at least 17 days in control and melatonin‐treated crabs (60 μg ml‐1 seawater). Melatonin significantly increased the rate of limb regeneration in both eyestalk‐intact and eyestalk‐removed groups; this is contrary to results of regeneration studies in other phyla, in which similar melatonin concentrations inhibited regeneration.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>9406985</pmid><doi>10.1111/j.1600-079X.1997.tb00347.x</doi><tpages>6</tpages></addata></record> |
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| subjects | Animals Antioxidants - analysis Antioxidants - metabolism Biochemistry. Physiology. Immunology Biological and medical sciences Brachyura - chemistry Brachyura - physiology Chromatography, High Pressure Liquid Circadian Rhythm - physiology Crustacea Extremities - physiology eyestalks fiddler crabs Free Radical Scavengers - analysis Free Radical Scavengers - metabolism Fundamental and applied biological sciences. Psychology Hemolymph - chemistry Invertebrates Male Marine melatonin Melatonin - analysis Melatonin - physiology Photoperiod Photoreceptor Cells, Invertebrate - chemistry Photoreceptor Cells, Invertebrate - physiology Physiology. Development Radioimmunoassay regeneration Regeneration - physiology Uca pugilator |
| title | Melatonin cycle in the fiddler crab Uca pugilator and influence of melatonin on limb regeneration |
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