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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