Difference between revisions of "Pristionchus pacificus"

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= Biology  =
 
= Biology  =
  
''Pristionchus pacificus'' is a self-fertilising hermaphrodite nematode of the ''Diplogastridae'' family. One of the main differences to ''C.elegans'' are the pre-hatching embryonic molt stages. Also of note is the dimorphism of stoma structures in ''Pristionchus pacificus''. The lifecycle is 4-days at 20 degrees Celcius.  
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''Pristionchus pacificus'' is a self-fertilising hermaphroditic nematode of the ''Diplogastridae'' family. Two notable differences between ''P. pacificus'' and ''C.elegans'' are the former's pre-hatching embryonic molt stages, and the dimorphism of its stoma structures. ''P. pacificus''' life cycle is four days at 20 deg. Celsius.  
  
 
= Ecology  =
 
= Ecology  =
  
Closely related species ''Pristionchus maupasi'' and ''Pristionchus entomorphus'' naturally occur in close association with ''Scarabaeidae'' and ''Chrysomelidae''. ''Pristionchus pacificus'' was so far not observed in isolates from North American scarab or potato beetles, but was found on Japanese scarab beetle ''Exomala orientalis'' ([http://www.wormbase.org/db/misc/paper?name=WBPaper00031139;class=Paper WBPaper00031139]). The laboratory strain [http://www.wormbase.org/db/gene/strain?name=PS312;class=Strain PS312] used for the genome sequencing was isolated in Pasadena (California) and is available at the CGC strain collection.
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The closely related species ''Pristionchus maupasi'' and ''P. entomorphus'' naturally occur in close association with ''Scarabaeidae'' and ''Chrysomelidae''. ''P. pacificus'' has so far not been observed in isolates from North American scarab or potato beetles, but has been found on the Japanese scarab beetle ''Exomala orientalis'' ([http://www.wormbase.org/db/misc/paper?name=WBPaper00031139;class=Paper WBPaper00031139]). The P pacificus laboratory strain [http://www.wormbase.org/db/gene/strain?name=PS312;class=Strain PS312], used for genomic sequencing, was isolated in Pasadena (California, USA) and is available from the CGC.  
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== Genome Details ==
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Sex Determination: hermaphrodite
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Haploid No. chromosomes: 6 (5 autosomes, XO)
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= Selected Publications  =
 
= Selected Publications  =
  
*'''Ralf J. Sommer (2005):''' [[http://www.wormbook.org/chapters/www_genomesPristionchus/genomesPristionchus.html ''Pristionchus pacificus''.]] ''WormBook''  
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*'''Mayer WE , Herrmann M , Sommer RJ (2007):''' Phylogeny of the nematode genus Pristionchus and implications for biodiversity, biogeography and the evolution of hermaphroditism. ''BMC Evol Biol''  '''7''':104 ([http://www.wormbase.org/db/misc/paper?name=WBPaper00030826;class=Paper WBPaper00030826])
*'''Ralf J. Sommer (2005):''' [[http://www.wormbook.org/chapters/www_evoldevnematode/evoldevnematode.html Evolution of development in nematodes related to ''C. elegans''.]] ''WormBook''  
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*'''Christoph Dieterich, Waltraud Roeseler, Jagan Srinivasan (2006):''' [[http://www.wormbook.org/chapters/www_ppagenomics/ppagenomics.html ''Pristionchus pacificus'' genomics: from genetics to genome sequence]] ''WormBook''  
*'''Mayer WE , Herrmann M , Sommer RJ(2007):''' Phylogeny of the nematode genus Pristionchus and implications for biodiversity, biogeography and the evolution of hermaphroditism. ''BMC Evol Biol 7:104'' ([http://www.wormbase.org/db/misc/paper?name=WBPaper00030826;class=Paper WBPaper00030826])
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*'''Ralf J. Sommer (2006):''' [[http://www.wormbook.org/chapters/www_genomesPristionchus/genomesPristionchus.html ''Pristionchus pacificus''.]] ''WormBook''  
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*'''Ralf J. Sommer (2006):''' [[http://www.wormbook.org/chapters/www_evoldevnematode/evoldevnematode.html Evolution of development in nematodes related to ''C. elegans''.]] ''WormBook''
 
*'''Zheng, M., Messerschmidt, D., Jungblut, B. and Sommer, R. J. (2005):''' Conservation and diversification of Wnt signaling function during the evolution of nematode vulva development. ''Nature Genetics'' '''37''', 300-304 ([http://www.wormbase.org/db/misc/paper?name=WBPaper00025001;class=Paper WBPaper00025001])
 
*'''Zheng, M., Messerschmidt, D., Jungblut, B. and Sommer, R. J. (2005):''' Conservation and diversification of Wnt signaling function during the evolution of nematode vulva development. ''Nature Genetics'' '''37''', 300-304 ([http://www.wormbase.org/db/misc/paper?name=WBPaper00025001;class=Paper WBPaper00025001])
  
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*[[http://www.eb.tuebingen.mpg.de/departments/4-evolutionary-biology/department-4-evolutionary-biology Max Planck Intitute for Developmental Biology]] (Dr Ralf J. Sommer - [http://www.wormbase.org/db/misc/person?name=WBPerson606;class=Person WBPerson606])
 
*[[http://www.eb.tuebingen.mpg.de/departments/4-evolutionary-biology/department-4-evolutionary-biology Max Planck Intitute for Developmental Biology]] (Dr Ralf J. Sommer - [http://www.wormbase.org/db/misc/person?name=WBPerson606;class=Person WBPerson606])
  
= WormBase Ressources =
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= WormBase Resources =
 
 
<span style="color: rgb(255, 0, 0);">will be available with WormBase WS194</span>
 
  
 
*GBrowse  
 
*GBrowse  
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*whole genome alignments
 
*whole genome alignments
  
= Web Ressources =
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== Identifiers  ==
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Proteins: PP:.*
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= Web Resources =
  
 
*[[http://www.pristionchus.org/cgi-bin/index.pl ''Pristionchus''.org]] page of the Max-Planck-Institute for Developmental Biology (including sequence retrieval / blast / Genome Browser)  
 
*[[http://www.pristionchus.org/cgi-bin/index.pl ''Pristionchus''.org]] page of the Max-Planck-Institute for Developmental Biology (including sequence retrieval / blast / Genome Browser)  
 
*[[http://genome.wustl.edu/pub/organism/Invertebrates/Pristionchus_pacificus/ genome assembly]] at Washington University  
 
*[[http://genome.wustl.edu/pub/organism/Invertebrates/Pristionchus_pacificus/ genome assembly]] at Washington University  
*[[http://www.pristionchus.org/wiki/index.php/Main_Page WikiOnchus]] ''Pristionchus'' Wiki (including the beginner's guide to the Pristionchus universe)
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*[[http://www.pristionchus.org/wiki/index.php/Main_Page WikiOnchus]] ''Pristionchus'' Wiki (including the beginner's guide to the Pristionchus universe)  
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*[[http://genome.ucsc.edu/cgi-bin/hgTracks?db=priPac1 UCSC genome browser]] for Pristionchus pacificus, Feb 2007 assembly.
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[[Category:Other species]]
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[[Category:User Guide]]

Latest revision as of 16:08, 15 December 2011

Biology

Pristionchus pacificus is a self-fertilising hermaphroditic nematode of the Diplogastridae family. Two notable differences between P. pacificus and C.elegans are the former's pre-hatching embryonic molt stages, and the dimorphism of its stoma structures. P. pacificus' life cycle is four days at 20 deg. Celsius.

Ecology

The closely related species Pristionchus maupasi and P. entomorphus naturally occur in close association with Scarabaeidae and Chrysomelidae. P. pacificus has so far not been observed in isolates from North American scarab or potato beetles, but has been found on the Japanese scarab beetle Exomala orientalis (WBPaper00031139). The P pacificus laboratory strain PS312, used for genomic sequencing, was isolated in Pasadena (California, USA) and is available from the CGC.


Genome Details

Sex Determination: hermaphrodite

Haploid No. chromosomes: 6 (5 autosomes, XO)


Selected Publications

Main Labs

WormBase Resources

  • GBrowse
  • Genome Sequence (masked | unmasked | softmasked)
  • Gene Models and Annotation (based on SNAP predictions from MPI-Developmental Biology)
  • Pristionchus WormBase pages (including Orthologs / WGN/CGC-names)
  • gene model corrections can be submitted to wormbase-help@wormbase.org or through the feedback links
  • whole genome alignments

Identifiers

Proteins: PP:.*

Web Resources

  • [Pristionchus.org] page of the Max-Planck-Institute for Developmental Biology (including sequence retrieval / blast / Genome Browser)
  • [genome assembly] at Washington University
  • [WikiOnchus] Pristionchus Wiki (including the beginner's guide to the Pristionchus universe)
  • [UCSC genome browser] for Pristionchus pacificus, Feb 2007 assembly.