한국산학기술학회논문지 (Journal of the Korea Academia-Industrial cooperation Society)

  • 제21권2호
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  • Pages.432-439
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  • 2020
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  • 1975-4701(pISSN)
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  • 2288-4688(eISSN)
한국산학기술학회 (The Korea Academia-Industrial cooperation Society)
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조사료와 농후사료 급여비율에 따른 젖소 우분의 대사체 탐색

Research fecal metabolite according to fed different ratios of roughage to concentrate on lactating cow using 1H-NMR analysis

  • 김현상 (경상대학교 응용생명과학부(BK21Plus)) ;
  • 이신자 (경상대학교 농업생명과학연구원(중점연구소)) ;
  • 엄준식 (경상대학교 응용생명과학부(BK21Plus)) ;
  • 이성실 (경상대학교 응용생명과학부(BK21Plus))
  • Kim, Hyun Sang (Division of Applied Life Science(BK21Plus), Gyeongsang National University) ;
  • Lee, Shin Ja (Institue of Agriculture and Life Science & University-Centered Labs, Gyeongsang National University) ;
  • Eom, Jun Sik (Division of Applied Life Science(BK21Plus), Gyeongsang National University) ;
  • Lee, Sung Sill (Division of Applied Life Science(BK21Plus), Gyeongsang National University)
  • 투고 : 2019.11.01
  • 심사 : 2020.02.07
  • 발행 : 2020.02.29
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초록

이 연구는 급여하는 조사료와 농후사료 비율을 달리하였을 때, 우분 내 대사체 비교를 핵자기공명장치로 확인하기 위해 실시되었다. 착유중인 젖소 6마리를 두 그룹으로 나누어 조사료와 농후사료 급여 비율(HR 그룹=8:2, HC 그룹=2:8)을 달리 하였다. 우분은 직장을 통해 마리별 1회 채취 하였으며 대사체 분석은 SPE-800 MHz NMR-MS system을 이용하였다. 대사체의 정성 및 정량은 Chenomx NMR suite 8.4을 이용하였으며, 확인된 대사체들을 Metaboanalyst 4.0을 이용하여 다변량 분석, 대사경로 분석을 진행하였다. 통계분석은 SAS program을 이용하여 Dunnett's test로 그룹 간 대사체 평균값을 비교 하였다. 분석 결과, 다변량 분석에서는 그룹간의 분리가 확인 되었으며 확인된 대사체 중 통계분석에는 77개의 대사체가 이용되었다. HC 그룹에서 유의적으로 높았던 대사체는 succinate를 포함한 dimethylamine, histamine, homovanillate, thymol, acetate, propionate, butyrate, isovalerate, valerate, imidazole, N-Nitrosodimethylamine 그리고 O-Acetylcholine 이다. HC 그룹에서 분석된 대사체들의 평균 농도가 HR 그룹에 비해 높았으며, 분석된 대사경로 또한 HR 그룹에 비해 다양했다. 연구결과, 핵자기공명분광장치를 통해 분석한 우분 내 대사체는 장내 미생물 뿐 만 아니라 체내 대사 그리고 향후 축산 관련 다양한 연구에 유용하게 사용될 것으로 사료된다.

This study examined the metabolites in different roughage to concentrate ratios using proton nuclear magnetic resonance spectroscopy (1H-NMR). Six lactating cows were divided into two groups that were fed different roughage to concentrate ratios (HR group = 8:2, HC group = 2:8). Feces samples were collected individually at one time, and the metabolites were analyzed using an SPE-800 MHz NMR-MS system. The metabolites were identified and quantified using a Chenomx NMR suite 8.4. Metabolic pathway analysis and principal component analysis were conducted using a Metaboanalyst 4.0. Statistical analysis was performed using a Dunnett's test on the SAS program. As a result, several metabolites were identified, and among them, 77 metabolites were used in statistical analysis. The levels of twelve metabolites were significantly higher in the HC group: succinate, dimethylamine, histamine, homovanillate, thymol, acetate, propionate, butyrate, isovalerate, valerate, imidazole, N-nitrosodimethylamine, and O-acetylcholine. In the HC group, the concentrations of all metabolites were higher than in the HR group, and the metabolic pathway was also different. This study is expected to be useful for a variety of livestock studies by 1H-NMR because it examined the change in metabolites in the body metabolism and microorganisms.

키워드

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