Large changes in quantitative traits can occur by the evolution of allele frequencies without the addition of new mutations.

TLS Online TPP Program

#Id: 9505

#Unit 6. System Physiology – Plant

PthXo1, a TAL effector of the rice pathogen Xanthomonas oryzae, activates expression of the rice gene Os8N3, allowing Xanthomonas to colonize rice plants.

TLS Online TPP Program

#Id: 9506

#Unit 6. System Physiology – Plant

P. syringae pv. Syringae (Pss) secrete syringolin A (SylA), a peptide derivative synthesized by a mixed nonribosomal peptide synthetase/polyketide synthetase encoded by a gene cluster. 

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#Id: 9507

#Unit 6. System Physiology – Plant

The effector SylA is secreted by the bacteria into the host plant cells. Once inside the cells, SylA irreversibly inhibits the proteasome

TLS Online TPP Program

#Id: 9508

#Unit 6. System Physiology – Plant

Fusicoccum amygdali produces the toxin fusicoccin, which targets the plasma membrane H+‐ATPase in many plant species

TLS Online TPP Program

#Id: 9509

#Unit 6. System Physiology – Plant

Sclerotinia sclerotiorum is a necrotrophic fungus that infects over 400 plant species. It secretes the phytotoxin oxalic acid to assist the early phases of the infection

TLS Online TPP Program

#Id: 9510

#Unit 6. System Physiology – Plant

Phytopathogenic bacteria reside within the intercellular spaces of plant organs or in the xylem and many damage plant tissues by secreting toxins, extracellular polysaccharides (EPSs), or cell wall‐degrading enzymes.