Selected article for: "community structure and sampling time"

Author: Holman, Devin B.; Timsit, Edouard; Amat, Samat; Abbott, D. Wade; Buret, Andre G.; Alexander, Trevor W.
Title: The nasopharyngeal microbiota of beef cattle before and after transport to a feedlot
  • Document date: 2017_3_22
  • ID: 1nni3vhm_28
    Snippet: The NP microbiota structure also shifted significantly based on sampling time as assessed using unweighted UniFrac distances (R-value = 0.50; P < 0.001; Fig. 5 ). Samples taken prior to transport to the feedlot (day 0) were well separated from those at all other sampling times. When the NP community structure was determined using weighted UniFrac distances, there was still clustering by sampling time (R-value = 0.21; P < 0.001; Additional file 7:.....
    Document: The NP microbiota structure also shifted significantly based on sampling time as assessed using unweighted UniFrac distances (R-value = 0.50; P < 0.001; Fig. 5 ). Samples taken prior to transport to the feedlot (day 0) were well separated from those at all other sampling times. When the NP community structure was determined using weighted UniFrac distances, there was still clustering by sampling time (R-value = 0.21; P < 0.001; Additional file 7: Fig. S3) , however, the effect of time was not as strong as with the unweighted UniFrac distances. Thus, it would appear that the less relatively abundant taxa are most responsible for the shifts in the microbiota observed in Fig. 4 .

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