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Genetic variation of the mitochondrial D-loop region containing mitochondrial transcription factor (TFAM) binding sites is not associated with marbling in Wagyu X Limousin F2 crosses
ID Kunej, Tanja (Author), ID Michal, Jennifer J. (Author), ID Dovč, Peter (Author), ID Jiang, Zhihua (Author)

URLURL - Presentation file, Visit http://www.dlib.si/details/URN:NBN:SI:doc-683Z6BDJ This link opens in a new window

Abstract
Mitochondrial transcription factor A (TFAM) is a nucleus-encoded protein that is essential for initiation of transcription and replication of mitochondrial DNA (mtDNA). It has been shown that TFAM binds the entire length of the mtDNA,but with higher affinitz to sequences around both mitochondrial promoters located in 3' domain of the D-loop region. The objectives of this study were to detect genetic polymorphisms in the sequence flanking TFAM binding sites of the mtDNA D-loop region and investigate their associations with marbling in Wagzu x Limousin F2 crosses. We identified six polymorphis sites in the TFAM binding sites of the D-loop mtDNA (G8A, T106C, A169G, A173G and C190T and one insertion/deletion at position 221 with one or two cytosines) with no significant differences in frequencies of polymorphic sites between extreme high/low marbling pools.

Language:English
Keywords:cattle, breeds, Limousin, Wagyu, crosses, molecular genetics, mitochondrial transcription factor, mtDNA, muscles, marbling
Work type:Not categorized
Typology:1.03 - Short Scientific Article
Organization:BF - Biotechnical Faculty
Publisher:Biotehniška fakulteta
Year:2005
Number of pages:Str. 99-102
Numbering:Letn. 86, št. 2
PID:20.500.12556/RUL-60451 This link opens in a new window
UDC:636.2
ISSN on article:1581-9175
COBISS.SI-ID:1833096 This link opens in a new window
Publication date in RUL:10.07.2015
Views:1205
Downloads:346
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Record is a part of a journal

Title:Acta agriculturae Slovenica
Shortened title:Acta agric. Slov.
Publisher:Biotehniška fakulteta
ISSN:1581-9175
COBISS.SI-ID:213840640 This link opens in a new window

Secondary language

Language:Slovenian
Title:Genetska raznolikost mitohondrijske D-loop regije, ki vsebuje vezavno mesto za mitohondrijski transkripcijski faktor A (TFAM), ni povezana z marmoriranostjo pri F2 Wagyu X limousin križancih
Abstract:
Mitohondrijski transkripcijski factor A (TFAM) je v jedru kodiran protein, udeležen v iniciaciji transkripcije in replikacije mitohondrijske DNA (mtDNA). Predhodne raziskave so pokazale, da se TFAM veže po vsej dolžini mtDNA, z večjo afiniteto pa na zaporedja v področju mitohondrijskih promotorjev, ki se nahajata na 3' območju D-loop regije. Namen naše študije jebil identificirati genetske polimorfizme v območju vezave TFAM v D-loop regiji mtDNA in raziskati njihovo povezavo z marmoriranostjo misic pri F2 Wagyu x Limousin križancih. V območju vezave TFAM smo v D-loop regiji mtDNA identificirali šest polimorfnih mest (G8A, T106C, A169G, A173G, C190T, insercija/delecija enega ali dveh C na poziciji 221), razporeditev alelov pa se ni statistično značilno razlikovala med skupinama živali z visokimi in nizkimi vrednostmi marmoriranosti.

Keywords:govedo, pasme, limuzin, wagyu, križanci, molekularna genetika, mitohondrijski transkripcijski faktor, mtDNK mišice, marmoriranost

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