Lorna Casselton
[10] Her parents' smallholding and her father's interest in natural history and genetics encouraged her and her sister Pauline in the direction of biology.[16] She was appointed Commander of the Order of the British Empire (CBE) in the 2012 Birthday Honours for services to fungal genetics and international science.[18] Her nomination for the Royal Society reads: Distinguished for her genetical and molecular analysis of the mushroom Coprinus cinereus, in particular of the incompatibility mating type factors, A and B.She made diploids which she used to demonstrate for the first time that hyphal fusion, nuclear migration, the formation of a dikaryon ending in sexual reproduction are all controlled by a positive stimulus triggered by the meeting of unlike alleles of the A and B factors.Other domains characteristic of transcription factors found in mammalian cells suggest that helical regions adjacent to the homeodomain may discriminate between compatible and incompatible protein associations.