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Bacillus thuringiensis is typically indole positive, meaning it can produce indole from tryptophan. This characteristic can be used as a biochemical marker for its identification in laboratory settings. However, it's important to note that there can be variability among different strains, so testing individual isolates is recommended for accurate identification.
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What test will differentiate between Klebsiella pneumonia and Citrobacter freundii?
Biochemical tests such as indole test and citrate utilization can help differentiate between Klebsiella pneumoniae and Citrobacter freundii. Klebsiella pneumoniae is indole negative and citrate positive, while Citrobacter freundii is indole positive and citrate negative. Additional tests like urease and motility can also aid in differentiation.
What is BT toxin?
BT Toxin, Bacillus thuringensis, is a bacterium commonly used as a biological pesticide. It produces toxic chemicals and can be harmful to mammalian blood by damaging red blood cells and more.
Is bacillus cereus lactose positive?
No
What are the indole test principles?
The indole test is based on the ability of certain bacteria to produce the enzyme tryptophanase, which converts tryptophan into indole. This indole is then detected by adding a reagent such as Kovac's reagent, which reacts with indole to produce a red color. A positive test indicates the presence of tryptophanase enzyme in the bacteria.
Does bacillus subtilis have a positive reaction for ONPG Test?
yes it have positive reaction for ONPG test
What is the full form of bt brinjal?
Bacillus thuringiensis
Which bacteria will kill the larvae of mosquito?
Bacillus thuringiensis
What does 'Bt' stand for in organic gardening?
Bacillus thuringiensis is 'B.t.', which is an organic control of bagworms, caterpillars, hornworms and loopers.
How long has Bacillus thuringiensis been helping humans?
Bacillus thuringiensis has been helping humans for over a century. Its insecticidal properties were first discovered in 1901, and since then, it has been widely used as a biological pesticide to control insect pests in agriculture and forestry.
Will BT kill aphids?
Yes, BT (Bacillus thuringiensis) can be effective in killing aphids when used as a biological insecticide.
Transgenic crop plants which contain the insecticidal protein gene from the bacterium bacillus thuringiensis are not registered for use in the US?
false
What has the author Gregory J Rutherford written?
Gregory J. Rutherford has written: 'Development of an enzyme-linked immunosorbent assay to detect antibodies against Bacillus thuringiensis subspecies israelensis in Mallard ducks (Anas platyrhynchos)' -- subject(s): Enzyme-linked immunosorbent assay, Bacillus thuringiensis, Mallard, Effect of pesticides on
Is shigella indole positive?
Shigella species are generally indole negative, except for Shigella flexneri, which can be indole positive depending on the specific strain. In laboratory identification, indole testing is used to differentiate between various enteric bacteria. Therefore, while most Shigella species do not produce indole, Shigella flexneri may show positive results under certain conditions.
What test will differentiate between Proteus vulgaris and Citrobacter freundii?
Indole test,Proteus vulgaris is be indole positive and Citrobacter freundii will be indole negative
What is an organic control on the Colorado potato beetle?
Bacillus thuringiensis var. san diego is an organic control on Colorado potato beetle [Leptinotarsa decemlineata] larvae. It's a new strain of B.t. It should be chosen over the older Bacillus thuringiensis, which is an effective control of loopers, hornworms, caterpillars and bagworms but not of Colorado potato beetles.
Is staphylococcus epidermidis indole positive?
S.aureus is a positive gram. Indole test is a part the biochemistry test to determinate a bacteria negative gram. indole test used to determine S.aureus, the result is negative. That is improve which S.aureus haven't trytophanase enzym (please see indole test principle)bcb
Indole test in vibro cholera?
The indole positive test is used to test the absence or presence of the vibro cholera.
