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Hydrogen Sulfide and Methyl Mercaptan Production by Oral Bacteria.

  1. The formation of hydrogen sulfide and methyl mercaptan by oral bacteria. Persson et al., (1990). Oral   Microbiol. Immunol. 5:195-201.(2082242)
  2. Desulfuration of cysteine and methionine by Fusobacterium nucleatum. Piannotti et al., (1986). J. Dent. Res.   65:913-917.(3458742)
  3. On the transformation of sulfur-containing amino acids and peptides to volatile sulfur compounds (VSC) in the   human mouth. Waler (1997). Eur. J. Oral Sci. 105:534-537.(9395120)
  4. Production of volatile sulfur compounds by various Fusobacterium species. Claesson et al., (1990). Oral   Microbiol. Immunol. 5:137-142.(2080068)
  5. Competition for peptides and amino acids among periodontal bacteria. Tang-Larsen et. al., (1995). J.   Periodont. Res. 30:390-395.(8544102)
  6. Relationship between volatile sulfur compounds, BANA-hydrolyzing bacteria and gingival health in patients with   and without complaints of oral malodor. De Boever et. al., (1994). J. Clin. Dentisrty 4:114-119. (8031479)
  7. Peptostreptococcus micros has a uniquely high capacity to form hydrogen sulfide from glutatione. Carlsson et.   al., (1993). Oral Microbiol. Immunol. 8:42-45.(8510983)

Hydrogen Sulfide and Methyl Mercaptan Toxicity 

  1. Modulation of human gingival fibroblast cell metabolism by methyl mercaptan. Johnson et al. (1992). J.   Periodontal Res. 27:476-483.(1403576)
  2. The effect of methanethiol and methionine toxicity on the activities of cytochrome c oxidase and enzymes   involved in protection from peroxidative damage. Finkelstein and Benevenga (1986). J. Nutr.   116:204-215.(3003292)
  3. Effects of methanethiol on erythrocyte membrane stabilization and on Na+,K+-adenosine triphosphatase:   relevance to hepatic coma. Ahmed et al., (1984). J. Pharmacol. Exp. Ther. 228:103-108.(6319665)
  4. Acute and subchronic toxicity studies of rats exposed to vapors of methyl mercaptan and other reduced-sulfur   compounds. Transy et al., (1981). J. Toxicol. Environ. Health 8:71-88.(7328716)
  5. Cytotoxic effects of hydrogen sulfide on pulmonary alveolar macrophages in rats. Khann et al., (1991). J.   Toxicol. Environ. Health 33:57-64.(2033644)
  6. Alteration of the morphology and neurochemistry of the developing mammalian nervous system by hydrogen   sulfphide. Roth et al., (1995). Clin. Exp. Pharmacol. Physiol. 22:379-380.(7554437)
  7. Growth and development in the rat during sub-chronic exposure to low levels of hydrogen sulfide.  Hayden et al.,   (1990) Toxicol. Ind. Health 6:389-401.(2237925)
  8. Exposure to low levels of hydrogen sulfide elevates circulating glucose in maternal rats. Hayden et al., (1990). J.   Toxicol. Environ. Health 31:45-52.(2213921)
  9. Hydrogen sulfide exposure alters the amino acid content in developing rat CNS. Hannah et al. (1989). Neurosci.   Lett. 8:323-327.(2566964)
  10. Chronic exposure to low concentrations of hydrogen sulfide produces abnormal growth in developing cerebellar   Purkinje cells. Hannah and Roth (1991). Neurosci. Lett. 28:225-228.(2027523)
  11. Hydrogen sulfide: a bacterial toxin in ulcerative colitis? Pitcher and Cummings (1996). Gut 39:1-4.(8881797)
  12. Effects of repeated exposures of hydrogen sulfide on rat hippocampal EEG. Skrajny et al., (1996). Toxicol.   Lett. 84:43-53.(8597177)
  13. Sulfide-induced perturbations of the neuronal mechanisms controlling breathing in rats. Greer et al., (1995). J.   Appl. Physiol. 78:433-440.(7759410)
  14. Low concentrations of hydrogen sulfide alter monoamine levels in the developing rat central nervous system.   Skrajny et al., (1992). Can. J. Physiol. Pharmacol. 70:1515-1518.(1296865)
  15. Monoamine oxidase inhibition as a sequel of hydrogen sulfide intoxication: increases in brain catecholamine and   5-hydroxytryptamine levels. Warenycia et al., (1989). Arch. Toxicol. 63:131-136.(2730337)
  16. Toxicology of hydrogen sulfide. Reiffenstein et al., (1992). Ann. Rev. Pharmacol. Toxicol.   32:109-134.(1605565)
  17. Hydrogen sulfide. Guidotti (1996). Occup. Med. 46:367-371.(8918153)
  18. Acute hydrogen sulfide poisoning. Demonstration of selective uptake of sulfide by the brainstem by measurement   of brain sulfide levels. Warenycia et. al., (1989). Biochem. Pharmacol. 38:973-981.
  19. The actions of hydrogen sulfie on dorsal raphe serotonergic neurons in vitro. Kombian et. al., (1993). J.   Neurophysiol. 70:81-96.(8395590)
  20. Hydrogen sulfide and reduced-sulfur gases adversely affect neurophysiological functions. Kilburn and Warshaw   (1995). Toxicol. Ind. Health 11:185-197.(7491634)
  21. Effect of volatile thiol compounds on protein metabolism by human gingival fibroblasts. Johson et. al., (1992). J.   Periodont. Res. 27:553-561.