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Table 1 Overview of microorganisms involved in the ruminal degradation of proteins, peptides, AA and ureaa

From: Does intra-ruminal nitrogen recycling waste valuable resources? A review of major players and their manipulation

Group

Microbial species

Proteins

Peptides

AA

Urea

Reference

Bacteria

Allisonella histaminiformans

  

X

 

[72, 73]

Butyrivibrio fibrisolvens

X

 

X

 

[26, 69]

Butyrivibrio proteoclasticus

X

   

[27]

Clostridium sp.

  

X

 

[77]

Clostridium aminophilum

  

X

 

[77]

Clostridium sticklandii

  

X

 

[77]

Eubacterium sp.

X

 

X

 

[47, 69]

Eubacterium budayi

X

   

[27]

Eubacterium pyruvativorans

  

X

 

[82]

Eubacterium ruminantium

 

X

  

[53]

Fibrobacter succinogenes

 

X

  

[53]

Fusobacterium sp.

X

   

[26]

Howardella ureilytica

   

X

[91]

Klebsiella aerogenes

   

X

[88]

Lachnospira multipara

X

X

  

[49, 53]

Lactobacillus casei var. casei

   

X

[88]

Micrococcus varians

   

X

[89]

Megasphaera elsdenii

 

X

X

 

[53]

Peptostreptococcus anaerobius

  

X

 

[77]

Prevotella sp.

X

X

X

 

[54, 70]

Prevotella albensis

X

X

  

[39, 61]

Prevotella brevis

X

X

  

[52]

Prevotella bryantii

X

X

  

[52]

Prevotella ruminicola

X

X

X

 

[51, 70]

Ruminobacter amylophilus

X

   

[28]

Selenomonas ruminantium

X

 

X

X

[15, 42, 69]

Staphylococcus sp.

   

X

[88]

Staphylococcus saprophyticus

X

 

X

X

[89]

Streptococcus bovis

X

X

X

 

[27, 53, 69]

Streptococcus faecium

   

X

[88]

Protozoa

Dasytricha sp.

X

   

[96]

Dasytricha ruminantium

X

X

  

[94, 104]

Entodinium spp.

X

X

  

[103, 104]

Entodinium caudatum

X

 

X

 

[103]

Entodinium simplex

X

   

[96, 103]

Epidinium sp.

X

   

[96]

Epidinium caudatum ecaudatum

X

   

[94, 96, 104]

Isotricha spp.

X

X

  

[94, 96]

Ophryoscolex caudatus

X

   

[94]

Polyplastron multivesiculatum

X

   

[94]

Fungi

Neocallimastix frontalis

X

X

  

[114, 118]

Neocallimastix patriciarum

X

   

[116]

Orpinomyces joyonii

X

   

[116]

Piromyces sp.

X

X

  

[118]

Piromyces communis

X

   

[116]

  1. aWithout consideration of detection method, quantity of substrate degradation or impact on ruminal N metabolism