{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,4]],"date-time":"2023-10-04T06:10:20Z","timestamp":1696399820673},"reference-count":75,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2013,11,19]],"date-time":"2013-11-19T00:00:00Z","timestamp":1384819200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Exp Zool Pt B"],"published-print":{"date-parts":[[2014,5]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:label \/><jats:p>Gene duplication and divergence has emerged as an important aspect of developmental evolution. The genomes of <jats:italic>Caenorhabditis<\/jats:italic> nematodes encode an ancient family of PUF RNA\u2010binding proteins. Most have been implicated in germline development, and are often redundant with paralogs of the same sub\u2010family. An exception is <jats:italic>Cbr\u2010puf\u20102<\/jats:italic> (one of three <jats:italic>Caenorhabditis briggsae<\/jats:italic> PUF\u20102 sub\u2010family paralogs), which is required for development past the second larval stage. Here, we provide a detailed functional characterization of <jats:italic>Cbr\u2010puf\u20102<\/jats:italic>. The larval arrest of <jats:italic>Cbr\u2010puf\u20102<\/jats:italic> mutant animals is caused by inefficient breakdown of bacterial food, which leads to starvation. <jats:italic>Cbr\u2010puf\u20102<\/jats:italic> is required for the normal grinding cycle of the muscular terminal bulb during early larval stages, and is transiently expressed in this tissue. In addition, rescue of larval arrest reveals that <jats:italic>Cbr\u2010puf\u20102<\/jats:italic> also promotes normal vulval development. It is expressed in the anchor cell (which induces vulval fate) and vulval muscles, but not in the vulva precursor cells (VPCs) themselves. This contrasts with the VPC\u2010autonomous repression of vulval development described for the <jats:italic>Caenorhabditis elegans<\/jats:italic> homologs <jats:italic>fbf\u20101\/<\/jats:italic>2. These different roles for PUF proteins occur even as the vulva and pharynx maintain highly conserved anatomies across <jats:italic>Caenorhabditis<\/jats:italic>, indicating pervasive developmental system drift (DSD). Because Cbr\u2010PUF\u20102 shares RNA\u2010binding specificity with its paralogs and with <jats:italic>C. elegans<\/jats:italic> FBF, we suggest that functional novelty of RNA\u2010binding proteins evolves through changes in the site of their expression, perhaps in concert with <jats:italic>cis<\/jats:italic>\u2010regulatory evolution in target mRNAs. <jats:italic>J. Exp. Zool. (Mol. Dev. Evol.) 322B: 129\u2013141, 2014<\/jats:italic>. \u00a9 2013 Wiley Periodicals, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jez.b.22550","type":"journal-article","created":{"date-parts":[[2013,11,19]],"date-time":"2013-11-19T20:22:56Z","timestamp":1384892576000},"page":"129-141","source":"Crossref","is-referenced-by-count":3,"title":["Evolutionarily dynamic roles of a PUF RNA\u2010binding protein in the somatic development of <i>Caenorhabditis briggsae<\/i>"],"prefix":"10.1002","volume":"322","author":[{"given":"Qinwen","family":"Liu","sequence":"first","affiliation":[{"name":"Department of Biology University of Maryland College Park Maryland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eric S.","family":"Haag","sequence":"additional","affiliation":[{"name":"Department of Biology University of Maryland College Park Maryland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2013,11,19]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"crossref","first-page":"299","DOI":"10.1098\/rstb.1976.0085","article-title":"The pharynx of Caenorhabditis elegans","volume":"275","author":"Albertson DG","year":"1976","journal-title":"Philos Trans R Soc Lond B Biol Sci"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ydbio.2008.11.024"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/0896-6273(89)90206-7"},{"key":"e_1_2_6_5_1","volume-title":"C. elegans II","author":"Avery L","year":"1997"},{"key":"e_1_2_6_6_1","unstructured":"AveryL YouYJ.2012.C. elegansfeeding (May 21 2012). 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