TABLE 1.
Selenate-reducing activity in sediment enrichment cultures
| Sediment source | Selenate reduction present in primary enrichment culturea | Isolate obtainedb |
|---|---|---|
| India | ||
| Kovam | ||
| Egmore | + | |
| Chetput | + | |
| Aminjikarai | + | |
| Buckingham canal | ||
| Canal bank | + | |
| Chepauk | + | Strain S5 |
| Adyar river | ||
| Kotturpuram | + | |
| Jafferkhanpet | + | Strain S7 |
| Anagaputhur | + | |
| New Jersey | ||
| Sawmill Creek | ||
| Spartina sp. rhizosphere | + | |
| Phargmites sp. rhizosphere | + | |
| Mudflat | + | |
| Kearny marsh | + | Strain KM |
| Chesquake | ||
| Spartina sp. rhizosphere | + | |
| Phargmites sp. rhizosphere | + | |
| Arthur Kill, New York-New Jersey harbor | + (21) | Sedimenticola selenatireducens strain AK4OH1 (38) |
| Laboratory contaminant | NA | Strain pn1 |
a
Selenate as electron acceptor and 4-hydroxybenzoate or pyruvate or both as electron donors. +, selenate reduction detected; NA, not applicable.
b
All strains were isolated and maintained on pyruvate except S. selenatireducens, which was maintained on 4-hydroxybenzoate.