Research Article

Isolation and Molecular Characterization of Potential Plant Growth Promoting Bacillus cereus GGBSTD1 and Pseudomonas spp. GGBSTD3 from Vermisources

Table 1

Predominant bacterial strains isolated from vermisources and their biochemical characteristics. T1-control—G.  sepium + L.  leucocephala + cow dung in (1 : 1 : 2) (worm free), T2—G.  sepium + L.  leucocephala + cow dung in (1 : 1 : 2) + E.  eugeniae, T3—G.  sepium + L.  leucocephala + cow dung in (1 : 1 : 2) + E.  fetida, T4-control (2)—C.  auriculata + L.  leucocephala + cow dung in (1 : 1 : 2) (worm free), T5—C.  auriculata + L.  leucocephala + cow dung in (1 : 1 : 2) + E.  eugeniae, T6—C.  auriculata + L.  leucocephala + cow dung in (1 : 1 : 2) + E.  fetida.

S. number Sample sourceBiochemical characteristicsc  Name of the   strain
Gram’s reactionaCell shapeMotilitybIndole testMethyl Red testVoges Proskauer testCitrate Utilization testCatalase testUrease testGelatin hydrolysis testNitrate reductase testStarch hydrolysis testCasein hydrolysis testGlucose utilization test

1.Vermicompost (T2)+Cocci++++Staphylococcus spp.
2.Vermicompost (T3)+Rod++++Corynebacterium spp.
3.Vermicompost (T5)+Rod+++++++++Bacillus spp.
4.Vermicompost (T6)+Cocci+++++Micrococcus spp.
5.Vermicast (T3)+Cocci++++++Klebsiella spp.
6.Vermicast (T5)+Rod+++++Streptococcus spp.
7.Vermicast (T6)+Cocci++++++Enterobacter spp.
8.Earthworm hind gut (T2)+Cocci++++++Tricoccocus spp.
9.Earthworm hind gut (T3)+Cocci+++++Yersinia spp.
10.Earthworm hind gut (T5)+Cocci++++Micrococcus spp.
11.Vermicompost (T1)Rod+++++Escherichia spp.
12.Vermicompost (T2)Rod+++++Proteus spp.
13.Vermicompost (T4)Rod++++++Paracoccus spp.
14.Vermicompost (T5)Rod++++++Pseudomonas spp.
15.Vermicast (T2)Rod++++++Citrobacter spp.
16.Vermicast (T3)Cocci++++Erwinia spp.
17.Vermicast (T5)Rod+++++++Alcaligenes spp.
18.Vermicast (T6)Cocci++++++Serratia spp.
19.Earthworm mid gut (T2)Rod++Pediococcus spp.

Gram’s staining: (+) positive, (−) negative.
bMotility: (+) motile, (−) nonmotile.
cBiochemical characteristics: (+) positive, (−) negative.