Leptothrix


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Leptothrix

(lep'tō-thriks),
A now invalid genus of sheathed organisms closely related to the genus Sphaerotilus found in fresh water.
References in periodicals archive ?
Three different groups of bacteria such as hydrocarbon-degrading and biofilm-producing microorganisms (Azoarcus, Leptothrix, Acidovorax, Thauera, Pseudomonas, etc.), [Fe.sup.2+]- and [Mn.sup.2+]-oxidizing bacteria (Thiobacillus, Sideroxydans, Gallionella, Rhodopseudomonas, etc.), and [Fe.sup.3+]- and [Mn.sup.4+]-respiring bacteria (Rhodoferax, Geobacter, Magnetospirillum, Sulfurimonas, etc.) were detected by Benedek et al.
The species of Leptothrix, Sporotrichum, and Rhinospiridium are also known to invade the lacrimal sac.
Ennoblement of stainless steel by manganese-depositing bacteria Leptothrix discophora.
In addition, an uncommon group of bacterial genera including Rhodopseudomonas, Bdellovibrio, Opitutus, Spartobacteria, Leptothrix, and Nitrospira were identified.
The banana site had a significantly higher proportion of sequences (15% of total) assigned to the 'Incertae sedis 5' family (Aquabacterium, Leptothrix, and unclassified genera), which were absent from the sugarcane samples.
There are many species of these oxidative/reductive bacteria, including Gallionella, Leptothrix and Geobacter metallireducens.
Esteves (1998) comenta a presenca desse elemento nos corpos d'agua e sua interacao com bacterias filamentosas dos generos Gallionella e Leptothrix que oxidam o [Fe.sup.+2], transformandoo em [Fe.sup.+3] que, por sua vez, podem ser precipitados e o mesmo processo e possivel de ocorrer nas tubulacoes do sistema de irrigacao.