Tabtoxin is a
A. Phytotoxin
B. Vivotoxin
C. Pathotoxin
D. All of these
Answer: Option C
Solution(By Examveda Team)
Tabtoxin is a Pathotoxin.A chemical of biological origin, other than an enzyme, that plays an important causal role in a plant disease is known as Pathotoxin.
Tabtoxin, also known as wildfire toxin, is a simple monobactam phytotoxin produced by Pseudomonas syringae. It is the precursor to the antibiotic tabtoxinine β-lactam (TBL).
Tabtoxin is a dipeptide precursor to the biologically active form of TBL, differing by having an extra threonine attached by a peptide bond to the C terminus. Tabtoxin is required by BR2(R) for both chlorosis and lesion formation on the bean.
Related Questions on Plant Pathology
Which photosynthetic bacteria possess both PS I and PS II?
A. Purple sulphur bacteria
B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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