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We are analyzing https://link.springer.com/article/10.1007/pl00006421.

Title:
Sponge Pax cDNA Related to Pax-2/5/8 and Ancient Gene Duplications in the Pax Family | Journal of Molecular Evolution
Description:
Members of the Pax gene family encode transcription factors containing a DNA-binding paired domain which is involved in developmental control and the formation of the central nervous system (CNS). The family members are classified into six classes or subfamilies, depending on the presence or absence of paired-type homeobox and octapeptide. To obtain rough estimates of times when the different classes of the Pax family diverged by gene duplication, we cloned and sequenced a Pax-related cDNA, sPax-2/5/8, from Ephydatia fluviatilis, a freshwater sponge, which encodes a paired-type homeobox and an octapeptide, in addition to a paired domain. A phylogenetic tree based on the paired domain sequences suggest that sPax-2/5/8 is a homologue of vertebrate Pax-2/5/8. It was also suggested that the majority of gene duplications that gave rise to distinct classes has been completed in the very early evolution of animals before the parazoan–eumetazoan split. Long after the ancient gene duplications, further gene duplications that gave rise to members in each subfamily occurred on the chordate lineages and completed before the fish–tetrapod split. This suggests that the major classes of the Pax genes involved in the formation of CNS characteristic of triploblasts had already existed long before the Cambrian explosion of triploblasts, and there is no direct link between the creation of new genes with novel functions and the Cambrian explosion. The pattern of gene diversification found in the Pax family is similar to those in five gene families involved in the signal transduction analyzed by us. Furthermore, the evolutionary rates of the Pax proteins have been shown to decrease with increasing organismal complexity during animal evolution.
Website Age:
28 years and 1 months (reg. 1997-05-29).

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🌠 Phenomenal Traffic: 5M - 10M visitors per month


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How Does Link.springer.com Make Money? {💸}

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Keywords {🔍}

pax, gene, article, family, access, evolution, privacy, cookies, content, journal, duplications, genes, information, publish, search, sponge, related, classes, duplication, open, kyoto, data, log, research, molecular, cdna, ancient, hoshiyama, suga, iwabe, members, paired, domain, involved, cambrian, explosion, discover, springer, optional, personal, parties, policy, find, track, cite, daisuke, hiroshi, naoyuki, mitsumasa, koyanagi,

Topics {✒️}

molecular evolution aims gene duplication month download article/chapter pax family genes dna-binding paired domain pax genes involved pax-related cdna kei-ichi kuma central nervous system gene diversification found ancient gene duplications gene families involved privacy choices/manage cookies full article pdf pax family published pax family diverged related subjects fumihiko matsuda cambrian explosion paired-type homeobox european economic area obtain rough estimates phylogenetic tree based parazoan–eumetazoan split fish–tetrapod split signal transduction analyzed increasing organismal complexity check access instant access conditions privacy policy gene duplications early evolution animal evolution accepting optional cookies article hoshiyama journal finder publish freshwater sponge pax family article journal genes article log paired domain information article cite affiliations department vertebrate pax-2/5/8 pax proteins privacy policy personal data books a

Schema {🗺️}

WebPage:
      mainEntity:
         headline:Sponge Pax cDNA Related to Pax-2/5/8 and Ancient Gene Duplications in the Pax Family
         description: Members of the Pax gene family encode transcription factors containing a DNA-binding paired domain which is involved in developmental control and the formation of the central nervous system (CNS). The family members are classified into six classes or subfamilies, depending on the presence or absence of paired-type homeobox and octapeptide. To obtain rough estimates of times when the different classes of the Pax family diverged by gene duplication, we cloned and sequenced a Pax-related cDNA, sPax-2/5/8, from Ephydatia fluviatilis, a freshwater sponge, which encodes a paired-type homeobox and an octapeptide, in addition to a paired domain. A phylogenetic tree based on the paired domain sequences suggest that sPax-2/5/8 is a homologue of vertebrate Pax-2/5/8. It was also suggested that the majority of gene duplications that gave rise to distinct classes has been completed in the very early evolution of animals before the parazoan–eumetazoan split. Long after the ancient gene duplications, further gene duplications that gave rise to members in each subfamily occurred on the chordate lineages and completed before the fish–tetrapod split. This suggests that the major classes of the Pax genes involved in the formation of CNS characteristic of triploblasts had already existed long before the Cambrian explosion of triploblasts, and there is no direct link between the creation of new genes with novel functions and the Cambrian explosion. The pattern of gene diversification found in the Pax family is similar to those in five gene families involved in the signal transduction analyzed by us. Furthermore, the evolutionary rates of the Pax proteins have been shown to decrease with increasing organismal complexity during animal evolution.
         datePublished:
         dateModified:
         pageStart:640
         pageEnd:648
         sameAs:https://doi.org/10.1007/PL00006421
         keywords:
            Key words:Pax-2/5/8— Sponge — Gene duplication — Pax family — Cambrian explosion — Evolution
            Evolutionary Biology
            Microbiology
            Plant Sciences
            Plant Genetics and Genomics
            Animal Genetics and Genomics
            Cell Biology
         image:
         isPartOf:
            name:Journal of Molecular Evolution
            issn:
               1432-1432
               0022-2844
            volumeNumber:47
            type:
               Periodical
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            name:Springer-Verlag
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         author:
               name:Daisuke Hoshiyama
               affiliation:
                     name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
                     address:
                        name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
                        type:PostalAddress
                     type:Organization
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               name:Hiroshi Suga
               affiliation:
                     name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
                     address:
                        name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
                        type:PostalAddress
                     type:Organization
               type:Person
               name:Naoyuki Iwabe
               affiliation:
                     name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
                     address:
                        name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
                        type:PostalAddress
                     type:Organization
               type:Person
               name:Mitsumasa Koyanagi
               affiliation:
                     name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
                     address:
                        name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
                        type:PostalAddress
                     type:Organization
               type:Person
               name:Naruo Nikoh
               affiliation:
                     name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
                     address:
                        name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
                        type:PostalAddress
                     type:Organization
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               name:Kei-ichi Kuma
               affiliation:
                     name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
                     address:
                        name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
                        type:PostalAddress
                     type:Organization
               type:Person
               name:Fumihiko Matsuda
               affiliation:
                     name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
                     address:
                        name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan, , JP
                        type:PostalAddress
                     type:Organization
               type:Person
               name:Tasuku Honjo
               affiliation:
                     name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
                     address:
                        name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan, , JP
                        type:PostalAddress
                     type:Organization
               type:Person
               name:Takashi Miyata
               affiliation:
                     name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
                     address:
                        name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
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ScholarlyArticle:
      headline:Sponge Pax cDNA Related to Pax-2/5/8 and Ancient Gene Duplications in the Pax Family
      description: Members of the Pax gene family encode transcription factors containing a DNA-binding paired domain which is involved in developmental control and the formation of the central nervous system (CNS). The family members are classified into six classes or subfamilies, depending on the presence or absence of paired-type homeobox and octapeptide. To obtain rough estimates of times when the different classes of the Pax family diverged by gene duplication, we cloned and sequenced a Pax-related cDNA, sPax-2/5/8, from Ephydatia fluviatilis, a freshwater sponge, which encodes a paired-type homeobox and an octapeptide, in addition to a paired domain. A phylogenetic tree based on the paired domain sequences suggest that sPax-2/5/8 is a homologue of vertebrate Pax-2/5/8. It was also suggested that the majority of gene duplications that gave rise to distinct classes has been completed in the very early evolution of animals before the parazoan–eumetazoan split. Long after the ancient gene duplications, further gene duplications that gave rise to members in each subfamily occurred on the chordate lineages and completed before the fish–tetrapod split. This suggests that the major classes of the Pax genes involved in the formation of CNS characteristic of triploblasts had already existed long before the Cambrian explosion of triploblasts, and there is no direct link between the creation of new genes with novel functions and the Cambrian explosion. The pattern of gene diversification found in the Pax family is similar to those in five gene families involved in the signal transduction analyzed by us. Furthermore, the evolutionary rates of the Pax proteins have been shown to decrease with increasing organismal complexity during animal evolution.
      datePublished:
      dateModified:
      pageStart:640
      pageEnd:648
      sameAs:https://doi.org/10.1007/PL00006421
      keywords:
         Key words:Pax-2/5/8— Sponge — Gene duplication — Pax family — Cambrian explosion — Evolution
         Evolutionary Biology
         Microbiology
         Plant Sciences
         Plant Genetics and Genomics
         Animal Genetics and Genomics
         Cell Biology
      image:
      isPartOf:
         name:Journal of Molecular Evolution
         issn:
            1432-1432
            0022-2844
         volumeNumber:47
         type:
            Periodical
            PublicationVolume
      publisher:
         name:Springer-Verlag
         logo:
            url:https://www.springernature.com/app-sn/public/images/logo-springernature.png
            type:ImageObject
         type:Organization
      author:
            name:Daisuke Hoshiyama
            affiliation:
                  name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
                  address:
                     name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
                     type:PostalAddress
                  type:Organization
            type:Person
            name:Hiroshi Suga
            affiliation:
                  name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
                  address:
                     name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
                     type:PostalAddress
                  type:Organization
            type:Person
            name:Naoyuki Iwabe
            affiliation:
                  name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
                  address:
                     name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
                     type:PostalAddress
                  type:Organization
            type:Person
            name:Mitsumasa Koyanagi
            affiliation:
                  name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
                  address:
                     name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
                     type:PostalAddress
                  type:Organization
            type:Person
            name:Naruo Nikoh
            affiliation:
                  name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
                  address:
                     name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
                     type:PostalAddress
                  type:Organization
            type:Person
            name:Kei-ichi Kuma
            affiliation:
                  name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
                  address:
                     name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
                     type:PostalAddress
                  type:Organization
            type:Person
            name:Fumihiko Matsuda
            affiliation:
                  name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
                  address:
                     name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan, , JP
                     type:PostalAddress
                  type:Organization
            type:Person
            name:Tasuku Honjo
            affiliation:
                  name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
                  address:
                     name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan, , JP
                     type:PostalAddress
                  type:Organization
            type:Person
            name:Takashi Miyata
            affiliation:
                  name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
                  address:
                     name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
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      name:Journal of Molecular Evolution
      issn:
         1432-1432
         0022-2844
      volumeNumber:47
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      name:Springer-Verlag
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      name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
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      name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
      address:
         name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
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      address:
         name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
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      name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
      address:
         name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
         type:PostalAddress
      name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
      address:
         name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
         type:PostalAddress
      name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
      address:
         name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
         type:PostalAddress
      name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
      address:
         name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan, , JP
         type:PostalAddress
      name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
      address:
         name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan, , JP
         type:PostalAddress
      name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
      address:
         name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
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Person:
      name:Daisuke Hoshiyama
      affiliation:
            name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
            address:
               name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
               type:PostalAddress
            type:Organization
      name:Hiroshi Suga
      affiliation:
            name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
            address:
               name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
               type:PostalAddress
            type:Organization
      name:Naoyuki Iwabe
      affiliation:
            name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
            address:
               name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
               type:PostalAddress
            type:Organization
      name:Mitsumasa Koyanagi
      affiliation:
            name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
            address:
               name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
               type:PostalAddress
            type:Organization
      name:Naruo Nikoh
      affiliation:
            name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
            address:
               name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
               type:PostalAddress
            type:Organization
      name:Kei-ichi Kuma
      affiliation:
            name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
            address:
               name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
               type:PostalAddress
            type:Organization
      name:Fumihiko Matsuda
      affiliation:
            name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
            address:
               name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan, , JP
               type:PostalAddress
            type:Organization
      name:Tasuku Honjo
      affiliation:
            name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
            address:
               name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan, , JP
               type:PostalAddress
            type:Organization
      name:Takashi Miyata
      affiliation:
            name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan
            address:
               name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
               type:PostalAddress
            type:Organization
PostalAddress:
      name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
      name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
      name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
      name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
      name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
      name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
      name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan, , JP
      name:Department of Medical Chemistry, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan, , JP
      name:Department of Biophysics, Kyoto University Graduate School of Science, Kyoto 606-8502, Japan, , JP
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