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Table 1 Some cellulolytic microbes and their sources.

From: Lignocellulases: a review of emerging and developing enzymes, systems, and practices

Bacteria Fungi
Species Source Species Source
Aerobes (free, non-complexed cellulases)
 Mesophilic bacteria  Mesophilic fungi
  Bacillus brevis a Termite gut   Aspergillus nidulans, A. niger, A. oryzae Soil, wood rot
  B. thuringiensis a Caterpillar gut
  Bacillus cereus a , B. subtilis a Soil, rumen   Agaricus bisporus Compost
  Cellulomonas fimi a Soil   Coprinus truncorum Soil, compost
  Cellvibrio japonicas Soil   Geotrichum candidum Soil, compost
  Cytophaga hutchinsonii Soil, compost   Penicillium chrysogenum Soil, wood rot
  Paenibacillus polymyxa Compost   Phanerochaete chrysosporium Compost
  Pseudomonas fluorescens Soil, sludge   Rhizopus oryzae Soil, dead organic matter
  Pseudomonas putida Soil, sludge   Trichocladium canadense Soil
  Saccharophagus degradans Rotting marsh grass   Trichoderma reesei Soil, rotting canvas
  Sorangium cellulosum Soil   Trichoderma longibrachiatum Soil
 Thermophilic bacteria  Thermophilic fungi
  Acidothermus cellulolyticus Hot spring   Chaetomium thermophilum Soil
  Thermobifida fusca Compost   Corynascus thermophilus Mush compost
     Paecilomyces thermophile Soil, compost
     Thielavia terrestris Soil
Anaerobes (complexed or free, non-complexed cellulases)
 Mesophilic bacteria  Mesophilic fungi
  Acetivibrio cellulolyticus Sewage   Neocallimastix patriciarum Rumen
  Bacteroides cellulosolvens Sewage   Orpinomyces joyonii Rumen
  Clostridium cellulolyticum Compost   Orpinomyces PC-2 Rumen
  Clostridium cellulovorans Wood fermenter   Piromyces equi Rumen
  Clostridium josui Compost   Piromyces E2 Feces
  Clostridium papyrosolvens Mud (freshwater)   
  Clostridium phytofermentans Soil   
  Fibrobacter succinogenes Rumen   
  Prevotella ruminicola Rumen   
  Ruminococcus albus Rumen   
  Ruminococcus flavefaciens Rumen   
 Thermophilic bacteria    
  Anaerocellum thermophilum Hot spring   
Hot spring   
  Clostridium thermocellum Sewage, soil, manure   
  Clostridium stercorarium Compost   
  Thermotoga maritima Mud (marine)   
  Rhodothermus marinus Hot spring   
  1. aMost Cellulomonas and Bacillus strains are facultative anaerobes that can also grow anaerobically