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Thaxtomin A

Cat. No. M8541
Thaxtomin A Structure
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Biological Activity

Thaxtomin A is a nitrated diketopiperazine phytotoxin produced by Streptomyces scabies that induces plant cells necrosis. Thaxtomin A is a potent plant cellulose synthesis inhibitor.

Product Citations
Chemical Information
Molecular Weight 438.43
Formula C22H22N4O6
CAS Number 122380-18-1
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Nathalie Beaudoin, et al. Habituation to thaxtomin A increases resistance to common scab in 'Russet Burbank' potato

[2] Chang Yuan, et al. Interactive Regulation between Aliphatic Hydroxylation and Aromatic Hydroxylation of Thaxtomin D in TxtC: A Theoretical Investigation

[3] Yuting Li, et al. TxtH is a key component of the thaxtomin biosynthetic machinery in the potato common scab pathogen Streptomyces scabies

[4] Dawn R D Bignell, et al. Thaxtomin A production and virulence are controlled by several bld gene global regulators in Streptomyces scabies

[5] Isabelle Duval, et al. Thaxtomin A induces programmed cell death in Arabidopsis thaliana suspension-cultured cells

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