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Using different growth medium greatly improves distinction of Butyrivibrio fibrisolvens and Pseudobutyrivibrio xylanivorans strains by the cellular fatty acids and aldehydes profiles
Zorec, Maša (Author), Vodovnik, Maša (Author), Marinšek-Logar, Romana (Author)

URLURL - Presentation file, Visit http://aas.bf.uni-lj.si/zootehnika/98-2011/PDF/98-2011-1-15-19.pdf This link opens in a new window

Abstract
A total of 11 ruminal strains currently assigned to Butyrivibrio fibrisolvens and Pseudobutyrivibrio xylanivorans were cultivated in two different media, rumen fluid containing M2 and short-chain fatty acid (SCFA ) containing M330, and their cellular fatty acid methyl esters (FA ME) and dimethylacetals (DMA) were analyzed using gas chromatography. A comparison of the FA ME/DMA compositions revealed that the difference in SCFA contents in the growth medium induced a pronounced quantitative effect on the cellular branched-chainfatty acid and aldehydes proportions only in the P. xylanivorans strains. This study shows that FA ME/DMA analysis is a powerful chemotaxonomic tool in the group of phenotypically similar rumen butyrivibria especially when the influence of the growth medium is evaluated.

Language:English
Keywords:microbiology, anaerobic bacteria, rumen, Butyrivibrio, Pseudobutyrivibrio, FAME, DMA
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Year:2011
Number of pages:str. 15-19
Numbering:Letn. 98, št. 1
UDC:579
ISSN on article:1581-9175
COBISS.SI-ID:2899080 Link is opened in a new window
Views:943
Downloads:306
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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
Abstract:
Skupno smo gojili 11 vampnih sevov iz vrst Butyrivibrio fibrisolvens in Pseudobutyrivibrio xylanivorans v dveh različnih gojiščih: v M2 z vampnim sokom in v M330 z mešanico kratkoverižnih maščobnih kislin (SCFA ). S plinsko kromatografijo smo analizirali njihove metilne estre celičnih maščobnih kislin (FA ME) in dimetilacetale (DMA). Primerjava sestave FA ME/ DMA je razkrila, da razlika v vsebnosti SCFA v gojišču povzroči izrazit kvantitativen učinek na deleže celičnih razvejanih maščobnih kislin in aldehidov le pri sevih vrste P. xylanivorans. Naša raziskava dokazuje, da lahko FA ME/DMA analizo učinkovito uporabljamo v kemotaksonomiji fenotipsko podobnih butirivibrijev z ustreznim ovrednotenjem vpliva gojišča.

Keywords:mikrobiologija, anaerobne bakterije, vamp, Butyrivibrio, Pseudobutyrivibrio, FAME, DMA

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