Role of topography sensing for infection-structure differentiation in cereal rust fungi

  title={Role of topography sensing for infection-structure differentiation in cereal rust fungi},
  author={Nick D Read and Lesley J. Kellock and Tony J. Collins and Alan M. Gundlach},
Over 90% of the germ tubes of Puccinia graminis tritici (wheat stem rust) and Puccinia hordei (barley brown rust) differentiate appressoria on encountering stomata.There has been controversy as to the role of host topographical signals in the highly precise and efficient induction of these infection structures over stomata by cereal rusts. In the present study, polystyrene replicas of microfabricated silicon wafers, bearing precise microtopographies of defined dimensions, were used to… CONTINUE READING


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