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    The transmitting tissue of Nicotiana tabacum is not essential to pollen tube growth, and its ablation can reverse prezygotic interspecific barriers

    The Nicotiana tabacum transmitting tissue is a highly specialized file of metabolically active cells that is the pathway for pollen tubes from the stigma to the ovules where fertilization occurs. It is thought to...

    Alan G. Smith, Carrie A. Eberle, Nicole G. Moss, Neil O. Anderson in Plant Reproduction (2013)