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Analysis of fatty acid composition of anaerobic rumen fungi

Result description

The fatty acid (FA) composition of fresh mycelia of anaerobic rumen fungi was determined. The fatty acids methyl esters (FAME) of six strains belonging to four genera (Neocallimastix, Caecomyces, Orpinomyces, Anaeromyces) and one unknown strain were analysed by gas chromatography. All studied fungi posses the same FAs but differences were found in their relative concentrations. The FA profile of anaerobic fungi comprises carbon chains of length ranging from 12 to 24; the most common fatty acids were stearic (C18:0), arachidic (C20:0), heneicosanoic (C21:0), behenic (C22:0), tricosanoic (C23:0) and lignoceric (C24:0) with relative amount representing >4 % of total FA. Significant differences were determined for heptadecanoic, oleic, behenic and tricosanoic acids. Rumen anaerobic fungi can contain very long chain fatty acids; were found unsaturated fatty acids including cis-11-eicosenoic (C20:1), cis-11,14-eicosadienoic (C20:2), erucic (C22:1n9), cis-13,16-docosadienoic (C22:2) and nervo

Keywords

fatty acidrumenanaerobic fungi

The result's identifiers

Alternative languages

  • Result language

    angličtina

  • Original language name

    Analysis of fatty acid composition of anaerobic rumen fungi

  • Original language description

    The fatty acid (FA) composition of fresh mycelia of anaerobic rumen fungi was determined. The fatty acids methyl esters (FAME) of six strains belonging to four genera (Neocallimastix, Caecomyces, Orpinomyces, Anaeromyces) and one unknown strain were analysed by gas chromatography. All studied fungi posses the same FAs but differences were found in their relative concentrations. The FA profile of anaerobic fungi comprises carbon chains of length ranging from 12 to 24; the most common fatty acids were stearic (C18:0), arachidic (C20:0), heneicosanoic (C21:0), behenic (C22:0), tricosanoic (C23:0) and lignoceric (C24:0) with relative amount representing >4 % of total FA. Significant differences were determined for heptadecanoic, oleic, behenic and tricosanoic acids. Rumen anaerobic fungi can contain very long chain fatty acids; were found unsaturated fatty acids including cis-11-eicosenoic (C20:1), cis-11,14-eicosadienoic (C20:2), erucic (C22:1n9), cis-13,16-docosadienoic (C22:2) and nervo

  • Czech name

    Složení mastných kyselin u anaerobních bachorových hub

  • Czech description

    V této studii byly sledovány rozdíly v profilu mastných kyselin u anaerobních bachorových hub. Bylo testováno šest zástupců náležejících k rodům Neocallimastix, Caecomyces, Orpinomyces, Anaeromyces a jeden dosud neidentifikovaný izolát. Jednotlivé testované vzorky vykazovaly stejné složení mastných kyselin, byl zaznamenán rozdíl v jejich relativních koncentracích. Byly detekovány mastné kyseliny s počtem uhlíků 12 ? 24; dominantními byly kyseliny stearová (C18:0), arachová (C20:0), heneikosanová (C21:0), behenová (C22:0), tricosanová (C23:0) and lignocerová (C24:0) s relativním zastoupením >4 % z celkových mastných kyselin. Bachorové anaerobní houby obsahují mastné kyseliny s větším počtem uhlíků; byly detekovány nenasycené kyseliny cis-11-eikosenová (C20:1), cis-11,14-eikosadienová (C20:2), eruková (C22:1n9), cis-13,16-dokosadienová (C22:2) a kyselina nervová (C24:1). Přítomnost těchto mastných kyselin se zdá být pro anaerobní houby specifická.

Classification

  • Type

    Jx - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    EE - Microbiology, virology

  • OECD FORD branch

Result continuities

Others

  • Publication year

    2008

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Folia Microbiologica

  • ISSN

    0015-5632

  • e-ISSN

  • Volume of the periodical

    53

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    CZ - CZECH REPUBLIC

  • Number of pages

    4

  • Pages from-to

  • UT code for WoS article

    000257941200008

  • EID of the result in the Scopus database

Basic information

Result type

Jx - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

Jx

CEP

EE - Microbiology, virology

Year of implementation

2008