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Functional significance of absence: The chromosomal segment harboring the Tp53 gene is missing in the T55 rat radiation hybrid mapping panel
Högskolan i Borås, Institutionen för Vårdvetenskap.
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2002 (Engelska)Ingår i: Genomics, ISSN 0888-7543, E-ISSN 1089-8646, Vol. 79, nr 6, s. 844-848Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The T55 rat radiation hybrid (RH) mapping panel has been reported to retain the entire rat genome at retention frequencies between 22% and 37%. However, we found that a small segment of rat chromosome 10 harboring at least four different genes, including Tp53, was completely absent from the panel (retention frequency = 0%). Two other markers located in the vicinity exhibited much reduced retention (2–6%). RH clones are generated by transferring highly fragmented DNA into a recipient cell. There might be a strong selection against the transfer and retention of chromosome segments harboring an intact Tp53, as the action of this gene might prevent proliferation and establishment of the RH clone. Our finding further suggests that unexpected low retention or absence of chromosome segments in an RH panel may represent indications that the segments harbor genes with important functions in cell proliferation control.

Ort, förlag, år, upplaga, sidor
Academic Press , 2002. Vol. 79, nr 6, s. 844-848
Nationell ämneskategori
Medicin och hälsovetenskap
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URN: urn:nbn:se:hb:diva-3067Lokalt ID: 2320/7607OAI: oai:DiVA.org:hb-3067DiVA, id: diva2:871163
Tillgänglig från: 2015-11-13 Skapad: 2015-11-13 Senast uppdaterad: 2017-11-23Bibliografiskt granskad

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Ståhl, Fredrik

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