Ecophysiology of syntrophic communities that degrade saturated and unsaturated long-chain fatty acids

FEMS Microbiology Ecology

Volumn 68, Issue 3, 2009, Pages 257-272

  Sousa, Diana Z ^a   Smidt, Hauke ^b   Alves, Maria M ^a   Stams, Alfons J M ^b  

^a UNIVERSITY OF MINHO   (Portugal)

^b WAGENINGEN UNIVERSITY   (Netherlands)

Author keywords

Anaerobic digestion; LCFA; Oleate; Palmitate; Syntrophy

Indexed keywords

BIOGAS; LONG CHAIN FATTY ACID; METHANE; UNSATURATED FATTY ACID;

ANOXIC CONDITIONS; BIODEGRADATION; BIOGAS; BIOMASS; COMMUNITY DYNAMICS; ECOPHYSIOLOGY; FATTY ACID; INTERSPECIFIC INTERACTION; METHANOGENESIS; METHANOGENIC BACTERIUM; POLYMERASE CHAIN REACTION;

BIOMASS; ECOPHYSIOLOGY; FATTY ACID OXIDATION; GENE SEQUENCE; HYDROGENATION; MICROBIAL COMMUNITY; NONHUMAN; NUCLEOTIDE SEQUENCE; PRIORITY JOURNAL; REAL TIME POLYMERASE CHAIN REACTION; SHORT SURVEY; WASTE WATER;

BIOREACTORS; DELTAPROTEOBACTERIA; ECOSYSTEM; FATTY ACIDS, UNSATURATED; METHANE; OXIDATION-REDUCTION; PHYLOGENY; SEWAGE;

ARCHAEA; SYNTROPHACEAE; SYNTROPHOMONADACEAE;

EID: 65549171650     PISSN: 01686496     EISSN: 15746941     Source Type: Journal    
DOI: 10.1111/j.1574-6941.2009.00680.x     Document Type: Short Survey

References (116)

1. Alves MM, Picavet MA, Pereira MA, Cavaleiro AJ Sousa DZ (2007) Novel anaerobic reactor for the removal of long chain fatty acids from fat containing wastewater (patent WO2007058557).
2. Anderson RT Lovley DR (2000) Hexadecane decay by methanogenesis. Nature 404 : 722 723. (Pubitemid 30212389)
3. Angelidaki I Ahring BK (1995) Establishment and characterization of an anaerobic thermophilic (55 °C) enrichment culture degrading long-chain fatty acids. Appl Environ Microb 61 : 2442 2445.
4. Beccari M, Carucci G, Lanz AM, Majone M Papini MP (2002) Removal of molecular weight fractions of COD and phenolic compounds in an integrated treatment of olive oil mill effluents. Biodegradation 13 : 401 410. (Pubitemid 36402296)
5. Becker P Markl H (2000) Modeling of olive oil degradation and oleic acid inhibition during chemostat and batch cultivation of Bacillus thermoleovorans IHI-91. Biotechnol Bioeng 70 : 630 637.
6. Becker P, Koster D, Popov MN, Markossian S, Antranikian G Markl H (1999) The biodegradation of olive oil and the treatment of lipid-rich wool scouring wastewater under aerobic thermophilic conditions. Water Res 33 : 653 660. (Pubitemid 29022998)
7. Broughton MJ, Thiele JH, Birch EJ Cohen A (1998) Anaerobic batch digestion of sheep tallow. Water Res 32 : 1423 1428. (Pubitemid 28245978)
8. Campbell JW, Morgan-Kiss RM Cronan JE (2003) A new Escherichia coli metabolic competency: growth on fatty acids by a novel anaerobic β-oxidation pathway. Mol Microbiol 47 : 793 805. (Pubitemid 36114986)
9. Canovas-Diaz M, Sanchez-Roig MJ Iborra JL (1991) Myristic and oleic acid degradation by an acclimated anaerobic consortia: synergistic behavior. Biomass for Energy, Industry and Environment. 6th E. C. Conference (Grassi G, Collina A Zibetta H, eds), pp. 580 584. Elseviers Applied Science, London.
10. Cavaleiro AJ, Pereira MA Alves M (2008) Enhancement of methane production from long chain fatty acid based effluents. Bioresour Technol 99 : 4086 4095.
11. Cavaleiro AJ, Salvador AF, Alves JI Alves MM (2009) Continuous high rate anaerobic treatment of oleic acid based wastewater is possible after a step feeding start-up. Environ Sci Technol 43 : 2931 2936.
12. Demeyer DI Henderic HK (1967) Effect of C18 unsaturated fatty acids on methane production in vitro by mixed rumen bacteria. Biochim Biophys Acta 137 : 484 497.
13. Devillard E, McIntosh FM, Duncan SH Wallace RJ (2007) Metabolism of linoleic acid by human gut bacteria: different routes for biosynthesis of conjugated linoleic acid. J Bacteriol 189 : 2566 2570. (Pubitemid 46411372)
14. DiRusso CC, Black PN Weimar JD (1999) Molecular inroads into the regulation and metabolism of fatty acids, lessons from bacteria. Prog Lipid Res 38 : 129 197. (Pubitemid 29151326)
15. Dong X, Cheng G Stams AJM (1994) Butyrate oxidation by Syntrophospora bryantii in coculture with different methanogens and in pure culture with pentenoate as electron-acceptor. Appl Microbiol Biot 42 : 647 652. (Pubitemid 24380514)
16. 2 and formate formation during syntrophic butyrate and propionate degradation. Anaerobe 1 : 35 39.
17. 2 and formate metabolism in Syntrophosphora bryantii. Antonie Van Leeuwenhoek 67 : 345 350.
18. Eggenberger DN, Broome FK, Ralston AW Harwood HJ (1949) The solubilities of the normal saturated fatty acids in water. J Org Chem 14 : 1108 1110.
19. Fujita Y, Matsuoka H Hirooka K (2007) Regulation of fatty acid metabolism in bacteria. Mol Microbiol 66 : 829 839. (Pubitemid 350050414)
20. Fukuda S, Furuya H, Suzuki Y, Asanuma N Hino T (2005) A new strain of Butyrivibrio fibrisolvens that has high ability to isomerize linoleic acid to conjugated linoleic acid. J Gen Appl Microbiol 51 : 105 113. (Pubitemid 40895067)
21. Giesel-Bühler H, Bartsch O, Kneifel H, Sahm H Schmid R (1987) The anaerobic transformation of linoleic acid by Acetobacterium woodii. Biocatalysis in Organic Media (Laane C, Tramper J Lilly MD, eds), pp. 241 245. Elsevier, Amsterdam.
22. Grabowski A, Blanchet D Jeanthon C (2005) Characterization of long-chain fatty-acid-degrading syntrophic associations from a biodegraded oil reservoir. Res Microbiol 156 : 814 821. (Pubitemid 41242799)
23. Hanaki K, Nagase M Matsuo T (1981) Mechanism of inhibition caused by long-chain fatty acids in anaerobic digestion process. Biotechnol Bioeng 23 : 1591 1610. (Pubitemid 11038428)
24. Hansen KH, Ahring BK Raskin L (1999) Quantification of syntrophic fatty acid-β-oxidizing bacteria in a mesophilic biogas reactor by oligonucleotide probe hybridization. Appl Environ Microb 65 : 4767 4774.
25. Haridas A, Suresh S, Chitra KR Manilal VB (2005) The Buoyan Filter Bioreactor: a high-rate anaerobic reactor for complex wastewater - process dynamics with dairy effluent. Water Res 39 : 993 1004. (Pubitemid 40576165)
26. Hatamoto M, Imachi H, Fukayo S, Ohashi A Harada H (2007a) Syntrophomonas palmitatica sp. nov., an anaerobic, syntrophic, long-chain fatty-acid-oxidizing bacterium isolated from methanogenic sludge. Int J Syst Evol Micr 57 : 2137 2142. (Pubitemid 47497160)
27. Hatamoto M, Imachi H, Ohashi A Harada H (2007b) Identification and cultivation of anaerobic, syntrophic long-chain fatty acid-degrading microbes from mesophilic and thermophilic methanogenic sludges. Appl Environ Microb 73 : 1332 1340. (Pubitemid 46303250)
28. Hatamoto M, Imachi H, Yashiro Y, Ohashi A Harada H (2007c) Diversity of anaerobic microorganisms involved in long-chain fatty acid degradation in methanogenic sludges as revealed by RNA-based stable isotope probing. Appl Environ Microb 73 : 4119 4127. (Pubitemid 47068148)
29. Hudson JA, MacKenzie CAM Joblin KN (1995) Conversion of oleic acid to 10-hydroxystearic acid by two species of ruminal bacteria. Appl Microbiol Biot 44 : 1 6.
30. Hudson JA, Morvan B Joblin KN (1998) Hydration of linoleic acid by bacteria isolated from ruminants. FEMS Microbiol Lett 169 : 277 282. (Pubitemid 29050790)
31. Hudson JA, Cai Y, Corner RJ, Morvan B Joblin KN (2000) Identification and enumeration of oleic acid and linoleic acid hydrating bacteria in the rumen of sheep and cows. J Appl Microbiol 88 : 286 292. (Pubitemid 30154431)
32. Hwu C-S (1997) Enhancing anaerobic treatment of wastewater containing oleic acid. PhD Thesis, Wageningen Agriculture University, the Netherlands.
33. Hwu C-S, van Lier JB Lettinga G (1998a) Physicochemical and biological performance of expanded granular sludge bed reactors treating lon-chain fatty acids. Process Biochem 33 : 75 81. (Pubitemid 28128145)
34. Hwu C-S, Tseng SK, Yuan CY, Kulik Z Lettinga G (1998b) Biosorption of long-chain fatty acids in UASB treatment process. Water Res 32 : 1571 1579. (Pubitemid 28245995)
35. Jackson BE, Bhupathiraju VK, Tanner RS, Woese CR McInerney MJ (1999) Syntrophus aciditrophicus sp. nov., a new anaerobic bacterium that degrades fatty acids and benzoate in syntrophic association with hydrogen-using microorganisms. Arch Microbiol 171 : 107 114. (Pubitemid 29142901)
36. Jenkins TC, Wallace RJ, Moate PJ Mosley EE (2008) Recent advances in biohydrogenation of unsaturated fatty acids within the rumen microbial ecosystem. J Anim Sci 86 : 397 412.
37. Kanicky JR Shah DO (2002) Effect of degree, type, and position of unsaturation on the pKa of long-chain fatty acids. J Colloid Interf Sci 256 : 201 207. (Pubitemid 36164593)
38. Kemp P, White RW Lander DJ (1975) Hydrogenation of unsaturated fatty-acids by 5 bacterial isolates from sheep rumen, including a new species. J Gen Microbiol 90 : 100 114.
39. Kemp P, Lander DJ Gunstone FD (1984) The hydrogenation of some cis-octadecenoic and trans-octadecenoic acids to stearic-acid by a rumen Fusocillus sp. Brit J Nutr 52 : 165 170. (Pubitemid 14052368)
40. Kepler CR, Hirons KP, Mcneill JJ Tove SB (1966) Intermediates and products of biohydrogenation of linoleic acid by Butyrivibrio fibrisolvens. J Biol Chem 241 : 1350 1354.
41. Kim SH, Han SK Shin HS (2004a) Kinetics of LCFA inhibition on acetoclastic methanogenesis, propionate degradation and β-oxidation. J Environ Sci Heal A 39 : 1025 1037. (Pubitemid 38560029)
42. Kim SH, Han SK Shin HS (2004b) Two-phase anaerobic treatment system for fat-containing wastewater. J Chem Technol Biot 79 : 63 71. (Pubitemid 38075578)
43. Kopecny J, Zorec M, Mrazek J, Kobayashi Y Marinsek-Logar R (2003) Butyrivibrio hungatei sp. nov. and Pseudobutyrivibrio xylanivorans sp. nov., butyrate-producing bacteria from the rumen. Int J Syst Evol Micr 53 : 201 209. (Pubitemid 36285241)
44. Koster IW Cramer A (1987) Inhibition of methanogenesis from acetate in granular sludge by long-chain fatty acids. Appl Environ Microb 53 : 403 409. (Pubitemid 17004627)
45. Lalman JA (2000) Anaerobic degradation of linoleic (C18:2), oleic (C18:1) and stearic (C18:0) acids and their inhibitory effects on acidogens, acetogens and methanogens. PhD Thesis, University of Toronto, Canada.
46. Lalman JA Bagley DM (2000) Anaerobic degradation and inhibitory effects of linoleic acid. Water Res 34 : 4220 4228.
47. Lalman JA Bagley DM (2001) Anaerobic degradation and methanogenic inhibitory effects of oleic and stearic acids. Water Res 35 : 2975 2983. (Pubitemid 32611744)
48. Lorowitz WH, Zhao HX Bryant MP (1989) Syntrophomonas wolfei subsp. saponavida subsp. nov., a long chain fatty-acid degrading, anaerobic, syntrophic bacterium - Syntrophomonas wolfei subsp. wolfei subsp. nov. - and emended descriptions of the genus and species. Int J Syst Bacteriol 39 : 122 126. (Pubitemid 19104411)
49. Ludwig W, Strunk O, Westram R et al 2004) ARB: a software environment for sequence data. Nucleic Acids Res 32 : 1363 1371. (Pubitemid 38854737)
50. Mabrouk AF Dugan LR (1961) Solubility of linoleic acid in aqueous solutions and its reaction with water. J Am Oil Chem Soc 38 : 9 13.
51. Mackie RI, White BA Bryant MP (1991) Lipid metabolism in anaerobic ecosystems. Crit Rev Microbiol 17 : 449 479.
52. Maia MRG, Chaudhary LC, Figueres L Wallace RJ (2007) Metabolism of polyunsaturated fatty acids and their toxicity to the microflora of the rumen. Antonie Van Leeuwenhoek 91 : 303 314. (Pubitemid 46681584)
53. Masse L, Masse DI Kennedy KJ (2003) Effect of hydrolysis pretreatment on fat degradation during anaerobic digestion of slaughterhouse wastewater. Process Biochem 38 : 1365 1372. (Pubitemid 36708620)
54. Mavrovouniotis ML (1991) Estimation of standard Gibbs energy changes of biotransformations. J Biol Chem 266 : 14440 14445. (Pubitemid 21907522)
55. McInerney MJ (1992) The genus Syntrophomonas, and other syntrophic bacteria. The Prokaryotes (Balows A, Trüper HG, Dworkin M, Harder W Schleifer KH, eds), pp. 2048 2057. Springer, New York.
56. McInerney MJ, Bryant MP Pfennig N (1979) Anaerobic bacterium that degrades fatty-acids in syntrophic association with methanogens. Arch Microbiol 122 : 129 135. (Pubitemid 9233795)
57. McInerney MJ, Bryant MP, Hespell RB Costerton JW (1981) Syntrophomonas wolfei gen. nov. sp. nov., an anaerobic, syntrophic, fatty-acid oxidizing bacterium. Appl Environ Microb 41 : 1029 1039. (Pubitemid 11127233)
58. McInerney MJ, Struchtemeyer CG, Sieber J, Mouttaki H, Stams AJM, Schink B, Rohlin L Gunsalus RP (2008) Physiology, ecology, phylogeny, and genomics of microorganisms capable of syntrophic metabolism. Ann NY Acad Sci 1125 : 58 72.
59. Mendes AA, Pereira EB de Castro HF (2006) Effect of the enzymatic hydrolysis pretreatment of lipids-rich wastewater on the anaerobic biodigestion. Biochem Eng J 32 : 185 190.
60. Menes RJ Muxi L (2002) Anaerobaculum mobile sp. nov., a novel anaerobic, moderately thermophilic, peptide-fermenting bacterium that uses crotonate as an electron acceptor, and emended description of the genus Anaerobaculum. Int J Syst Evol Micr 52 : 157 164. (Pubitemid 34105701)
61. Menes RJ Travers D (2006) Detection of fatty acid beta-oxidizing syntrophic bacteria by fluorescence in situ hybridization. Water Sci Technol 54 : 33 39. (Pubitemid 44322370)
62. Menes RJ, Fernandez A Muxi L (2001) Physiological and molecular characterisation of an anaerobic thermophilic oleate-degrading enrichment culture. Anaerobe 7 : 17 24. (Pubitemid 32270037)
63. Moon CD, Pacheco DM, Kelly WJ, Leahy SC, Li D, Kopecny J Attwood GT (2008) Reclassification of Clostridium proteoclasticum as Butyrivibrio proteoclasticus comb. nov., a butyrate-producing ruminal bacterium. Int J Syst Evol Micr 58 : 2041 2045.
64. Novak JT Carlson DA (1970) Kinetics of anaerobic long chain fatty acid degradation. J Water Pollut Control Fed 42 : 1932 1943.
65. Nuck BA Federle TW (1996) Batch test for assessing the mineralization of C-14-radiolabeled compounds under realistic anaerobic conditions. Environ Sci Technol 30 : 3597 3603. (Pubitemid 26399108)
66. Paillard D, McKain N, Chaudhary LC et al 2007) Relation between phylogenetic position, lipid metabolism and butyrate production by different Butyrivibrio-like bacteria from the rumen. Antonie Van Leeuwenhoek 91 : 417 422. (Pubitemid 46681591)
67. Paster BJ, Russell JB, Yang CMJ, Chow JM, Woese CR Tanner R (1993) Phylogeny of the ammonia-producing ruminal bacteria Peptostreptococcus anaerobius, Clostridium sticklandii, and Clostridium aminophilum sp. nov. Int J Syst Bacteriol 43 : 107 110. (Pubitemid 23023157)
68. Pavlostathis SG Giraldogomez E (1991) Kinetics of anaerobic treatment. Water Sci Technol 24 : 35 59.
69. Pereira MA, Pires OC, Mota M Alves MM (2002a) Anaerobic degradation of oleic acid by suspended and granular sludge: identification of palmitic acid as a key intermediate. Water Sci Technol 45 : 139 144.
70. Pereira MA, Roest K, Stams AJM, Mota M, Alves M Akkermans ADL (2002b) Molecular monitoring of microbial diversity in expanded granular sludge bed (EGSB) reactors treating oleic acid. FEMS Microbiol Ecol 41 : 95 103.
71. Pereira MA, Sousa DZ, Mota M Alves MM (2004) Mineralization of LCFA associated with anaerobic sludge: kinetics, enhancement of methanogenic activity, and effect of VFA. Biotechnol Bioeng 88 : 502 511. (Pubitemid 39536552)
72. Pereira MA, Pires OC, Mota M Alves MM (2005) Anaerobic biodegradation of oleic and palmitic acids: evidence of mass transfer limitations caused by long chain fatty acid accumulation onto the anaerobic sludge. Biotechnol Bioeng 92 : 15 23. (Pubitemid 41657583)
73. Polan CE, Tove SB Mcneill JJ (1964) Biohydrogenation of unsaturated fatty acids by rumen bacteria. J Bacteriol 88 : 1056 1064.
74. Quémeneur M Marty Y (1994) Fatty-acids and sterols in domestic wastewaters. Water Res 28 : 1217 1226.
75. Radajewski S, McDonald IR Murrell JC (2003) Stable-isotope probing of nucleic acids: a window to the function of uncultured microorganisms. Curr Opin Biotechnol 14 : 296 302. (Pubitemid 36782659)
76. Ren Y, Aguirre J, Ntamack AG, Chu CH Schulz H (2004) An alternative pathway of oleate β-oxidation in Escherichia coli involving the hydrolysis of a dead end intermediate by a thioesterase. J Biol Chem 279 : 11042 11050. (Pubitemid 38401596)
77. Rinzema A (1988) Anaerobic treatment of wastewater with high concentrations of lipids or sulfate. PhD Thesis, Wageningen Agricultural University, the Netherlands.
78. Rinzema A, Boone M, van Knippenberg K Lettinga G (1994) Bactericidal effect of long chain fatty acids in anaerobic digestion. Water Environ Res 66 : 40 49. (Pubitemid 24036660)
79. Roy F, Samain E, Dubourguier HC Albagnac G (1986) Synthrophomonas sapovorans sp. nov., a new obligately proton reducing anaerobe oxidizing saturated and unsaturated long-chain fatty acids. Arch Microbiol 145 : 142 147. (Pubitemid 16067024)
80. Rozanova EP, Savvichev AS, Miller YM Ivanov MV (1997) Microbial processes in a West Siberian oil field flooded with waters containing a complex of organic compounds. Microbiology 66 : 718 725. (Pubitemid 127725769)
81. Saatci Y, Arslan EI Konar V (2003) Removal of total lipids and fatty acids from sunflower oil factory effluent by UASB reactor. Bioresour Technol 87 : 269 272. (Pubitemid 36043955)
82. Sachan DS Davis CL (1969) Hydrogenation of linoleic acid by a rumen spirochete. J Bacteriol 98 : 300 301.
83. Saitou N Nei M (1987) The neighbor-joining method: a new method for reconstructing phylogenetic trees. Mol Biol Evol 4 : 406 425.
84. Schink B (1997) Energetics of syntrophic cooperation in methanogenic degradation. Microbiol Mol Biol R 61 : 262 280. (Pubitemid 27283803)
85. Schink B Stams AJM (2006) Syntrophism among prokaryotes. The Prokaryotes (Dworkin M, Falkow S, Rosenberg E, Schleifer K-H Stackebrandt E, eds), pp. 309 335. Springer-Verlag, New York.
86. Schneider VL, Holman RT Burr GO (1949) A monolayer study of the isomerism of unsaturated and oxy fatty acids. J Phys Colloid Chem 53 : 1016 1029.
87. Seelig A Seelig J (1977) Effect of a single cis double-bond on structure of a phospholipid bilayer. Biochemistry 16 : 45 50. (Pubitemid 8030063)
88. Sekiguchi Y, Kamagata Y, Nakamura K, Ohashi A Harada H (2000) Syntrophothermus lipocalidus gen. nov., sp. nov., a novel thermophilic, syntrophic, fatty-acid-oxidizing anaerobe which utilizes isobutyrate. Int J Syst Evol Micr 50 : 771 779. (Pubitemid 30167526)
89. Shigematsu T, Tang Y, Mizuno Y, Kawaguchi H, Morimura S Kida K (2006) Microbial diversity of mesophilic methanogenic consortium that can degrade long-chain fatty acids in chemostat cultivation. J Biosci Bioeng 102 : 535 544. (Pubitemid 46162279)
90. Sobieraj M Boone DR (2006) Syntrophomonadaceae. The Prokaryotes (Dworkin M, Falkow S, Rosenberg E, Schleifer K-H Stackebrandt E, eds), pp. 1041 1049. Springer-Verlag, New York.
91. Sousa DZ, Pereira MA, Smidt H, Stams AJM Alves MM (2007a) Molecular assessment of complex microbial communities degrading long chain fatty acids in methanogenic bioreactors. FEMS Microbiol Ecol 60 : 252 265. (Pubitemid 46597318)
92. Sousa DZ, Pereira MA, Stams AJM, Alves MM Smidt H (2007b) Microbial communities involved in anaerobic degradation of unsaturated or saturated long chain fatty acids (LCFA). Appl Environ Microb 73 : 1054 1064. (Pubitemid 46303220)
93. Sousa DZ, Smidt H, Alves MM Stams AJM (2007c) Syntrophomonas zehnderi sp. nov., an anaerobe that degrades long chain fatty acids in co-culture with Methanobacterium formicicum. Int J Syst Evol Micr 57 : 609 615. (Pubitemid 46437880)
94. Sousa DZ, Alves JI, Alves MM, Smidt H Stams AJM (2009) Effect of sulfate on methanogenic communities that degrade unsaturated and saturated long-chain fatty acids (LCFA). Environ Microbiol 11 : 68 80.
95. Stieb M Schink B (1985) Anaerobic oxidation of fatty-acids by Clostridium bryantii sp. nov., a sporeforming, obligately syntrophic bacterium. Arch Microbiol 140 : 387 390. (Pubitemid 15125148)
96. Svetlitshnyi V, Rainey F Wiegel J (1996) Thermosyntropha lipolytica gen. nov., sp. nov., a lipolytic, anaerobic, alkalitolerant, thermophilic bacterium utilizing short- and long-chain fatty acids in syntrophic coculture with a methanogenic archaeum. Int J Syst Bacteriol 46 : 1131 1137. (Pubitemid 26339244)
97. Taylor RJ (1965) The Chemistry of Glycerides. Unilever Ltd, England.
98. Thauer RK, Jungermann K Decker K (1977) Energy conservation in chemotrophic anaerobic bacteria. Bacteriol Rev 41 : 100 180. (Pubitemid 8082287)
99. Thomas PJ (1972) Identification of some enteric bacteria which convert oleic acid to hydroxystearic acid in-vitro. Gastroenterology 62 : 430 435.
100. van de Vossenberg JLCM Joblin KN (2003) Biohydrogenation of C18 unsaturated fatty acids to stearic acid by a strain of Butyrivibrio hungatei from the bovine rumen. Lett Appl Microbiol 37 : 424 428. (Pubitemid 37378535)
101. van Gylswyk NO, Hippe H Rainey FA (1996) Pseudobutyrivibrio ruminis gen. nov., sp. nov., a butyrate-producing bacterium from the rumen that closely resembles Butyrivibrio fibrisolvens in phenotype. Int J Syst Bacteriol 46 : 559 563. (Pubitemid 26113885)
102. Vollhardt D (2007) Effect of unsaturation in fatty acids on the main characteristics of Langmuir monolayers. J Phys Chem C 111 : 6805 6812. (Pubitemid 46826442)
103. Wallace RJ, Chaudhary LC, McKain N, Mcewan NR, Richardson AJ, Vercoe PE, Walker ND Paillard D (2006) Clostridium proteoclasticum: a ruminal bacterium that forms stearic acid from linoleic acid. FEMS Microbiol Lett 265 : 195 201.
104. Weng C Jeris JS (1976) Biochemical mechanisms in methane fermentation of glutamic and oleic acids. Water Res 10 : 9 18.
105. Wu C, Liu X Dong X (2006a) Syntrophomonas cellicola sp. nov., a novel spore-forming syntrophic bacterium isolated from a distilled-spirit-fermenting cellar and assignment of Syntrophospora bryantii to Syntrophomonas bryantii sp. nov., comb. nov. Int J Syst Evol Micr 56 : 2331 2335. (Pubitemid 44566801)
106. Wu C, Liu X Dong X (2006b) Syntrophomonas erecta subsp. sporosyntropha subsp. nov., a spore-forming bacterium that degrades short chain fatty acids in co-culture with methanogens. Syst Appl Microbiol 29 : 457 462. (Pubitemid 44236202)
107. Wu CG, Liu XL Dong XZ (2006c) Syntrophomonas cellicola sp. nov., a spore-forming syntrophic bacterium isolated from a distilled-spirit-fermenting cellar, and assignment of Syntrophospora bryantii to Syntrophomonas bryantii comb. nov. Int J Syst Evol Micr 56 : 2331 2335. (Pubitemid 44566801)
108. Wu CG, Dong XZ Liu XL (2007) Syntrophomonas wolfei subsp. methylbutyratica subsp. nov., and assignment of Syntrophomonas wolfei subsp. saponavida to Syntrophomonas saponavida sp. nov comb. nov. Syst Appl Microbiol 30 : 376 380. (Pubitemid 46962943)
109. Yamada Y, Uemura H, Nakaya H, Sakata K, Takatori T, Nagao M, Iwase H Iwadate K (1996) Production of hydroxy fatty acid (10-hydroxy-12(Z)-octadecenoic acid) by Lactobacillus plantarum from linoleic acid and its cardiac effects to guinea pig papillary muscles. Biochem Bioph Res Co 226 : 391 395. (Pubitemid 26333281)
110. Yang SY, Cuebas D Schulz H (1986) 3-Hydroxyacyl-CoA epimerases of rat-liver peroxisomes and Escherichia coli function as auxiliary enzymes in the β-oxidation of polyunsaturated fatty-acids. J Biol Chem 261 : 2238 2243. (Pubitemid 17202790)
111. You SY, Cosloy S Schulz H (1989) Evidence for the essential function of 2,4-dienoyl-coenzyme-A reductase in the β-oxidation of unsaturated fatty-acids in vivo - isolation and characterization of an Escherichia coli mutant with a defective 2,4-dienoyl-coenzyme-A reductase. J Biol Chem 264 : 16489 16495. (Pubitemid 19243537)
112. Zengler K, Richnow HH, Rossello-Mora R, Michaelis W Widdel F (1999) Methane formation from long-chain alkanes by anaerobic microorganisms. Nature 401 : 266 269. (Pubitemid 129515537)
113. Zhang CY, Liu XL Dong XZ (2004) Syntrophomonas curvata sp. nov., an anaerobe that degrades fatty acids in co-culture with methanogens. Int J Syst Evol Micr 54 : 969 973. (Pubitemid 38771804)
114. Zhang CY, Liu XL Dong XX (2005) Syntrophomonas erecta sp. nov., a novel anaerobe that syntrophically degrades short-chain fatty acids. Int J Syst Evol Micr 55 : 799 803. (Pubitemid 40485073)
115. Zhao H, Yang D, Woese CR Bryant MP (1993) Assignment of fatty acid-β-oxidizing syntrophic bacteria to Syntrophomonadaceae fam. nov. on the basis of 16S rRNA sequence analysis. Int J Syst Bacteriol 43 : 278 286. (Pubitemid 23118468)
116. Zhao HX, Yang DC, Woese CR Bryant MP (1990) Assignment of Clostridium bryantii to Syntrophospora bryantii gen. nov., comb. nov. on the basis of a 16S ribosomal-RNA sequence analysis of its crotonate-grown pure culture. Int J Syst Bacteriol 40 : 40 44. (Pubitemid 20023664)