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Table 2 Antifungal activity of the Heliophila coronopifolia defensins

From: Four plant defensins from an indigenous South African Brassicaceae species display divergent activities against two test pathogens despite high sequence similarity in the encoding genes

 

Botrytis cinerea

Fusarium solani

Defensin

IC50

µg ml-1

Hyphal morphology

Spore lysis

MPa

IC50

µg ml-1

Hyphal morphology

Spore lysis

MPa

Hc-AFP1

> 25

Tip swelling

No

Yes

> 25

Mild hyper-branching

No

No

Hc-AFP2

10-15

Severe hyper-branching

Tip swelling

Lysis

Yes

Yes

10-15

Severe hyper-branching

No

Yes

Hc-AFP3

20-25

Severe hyper-branching

Tip swelling and disruption

Yes

Yes

> 25

Mild hyper-branching

No

No

Hc-AFP4

15-20

Mild hyper-branching

Tip swelling

No

Yes

5-10

Severe hyper-branching

No

Yes

  1. aMP = Membrane permeabilization