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What is Phytoalexin give an example?

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What is Phytoalexin give an example?

Table of Contents

  • What is Phytoalexin give an example?
  • How do phytoalexins work?
  • What is the difference between phytoalexin and Phytoanticipins?
  • What is Phytoanticipins?
  • What are Phytoalexins and Phytoanticipins?

Phytoalexins, such as medicarpin produced by alfalfa (Medicago sativa), are isoflavonoids with antibiotic and antifungal properties that are produced in response to pathogen attack. From: Organic Farming, 2019.

How are phytoalexins synthesized in plants?

Phytoalexins are a group of chemically diverse broad-spectrum antimicrobial compounds synthesized by plants in response to attack from pathogens. A large number of phytoalexins are products of the phenylpropanoid pathway, while others are synthesized through the mevalonic acid pathway and the Trp pathway.

How do phytoalexins work?

Phytoalexins are produced in plants to act as toxins to the attacking organism. They may puncture the cell wall, delay maturation, disrupt metabolism or prevent reproduction of the pathogen in question.

Who proposed the role of phytoalexins in disease resistant?

The concept of phytoalexins was first introduced over 70 years ago by Müller and Börger [3] after observing that infection of potato tubers with a strain of Phytophthora infestans capable of initiating hypersensitive reactions, significantly inhibited the effect of a subsequent infection with another strain of P.

What is the difference between phytoalexin and Phytoanticipins?

Phytoalexins are chemically diverse and broad-spectrum inhibitors of microbial organisms. By contrast, phytoanticipins are preformed antimicrobial compounds that are present in plants before attack by microorganisms or infection [7] .

What is the meaning of phytoalexin?

Definition of phytoalexin : any of various antimicrobial chemical substances produced by plants to combat infection by a pathogen (such as a fungus)

What is Phytoanticipins?

Phytoanticipins are preformed antimicrobial compounds in plants that are unique in action for their property of being synthesized even before the attack of pathogen or infection, i.e., they exist in healthy plants in their biologically active forms (constitutive).

What are Phytoanticipins?

What are Phytoalexins and Phytoanticipins?

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