Crozier (mycology) Crozier (mycology) A crozier is an anatomical feature of many fungi in the phylum Ascomycota that form at the base of asci and look like hook-topped shepherd’s staffs or stylized religious crosiers. During the ascus initial formation the crozier helps to maintain a dikaryotic state in the ascus initial and its side branch that will continue the spreading growth of the ascogenous hyphae in Ascomycota fruitbodies. The tips of developing asci on these ascogenous hyphae curl over. One haploid nucleus migrates into the curved tip while the other compatible haploid nucleus remains in the penultimate space below the hook. The
Institute of Marine Biology Institute of Marine Biology The Institute of Marine Biology is a research institute of the National Academy of Science of Ukraine, which located in Odessa, Ukraine. The institute is organized on the base of the Odessa Branch of the Institute of Biology of the Southern Seas. The institute was established in December 21, 1953 as the Odessa Biological Station of the Institute of hydrobiology of the National Academy of Sciences of Ukraine by the resolution of the Council of Ministers of the Ukrainian SSR. When the Sevastopol Biological Station was reorganised in the Institute of Biology of the Southern Seas