ISSN 10623604, Russian Journal of Developmental Biology, 2011, Vol. 42, No. 4, p. 280. © Pleiades Publishing, Inc., 2011. Original Russian Text © T.A. Ezhova, 2010, published in Ontogenez, 2011, Vol. 42, No. 4, p. 320. BOOK REVIEW From a Microspore to a Cultivar. T. B. Batygina, N. N. Kruglova, V. Yu. Gorbunova, G. E. Titova, and O. A. Sel’dimirova (Moscow: Nauka, 2010) DOI: 10.1134/S1062360411040047 The monograph describes the theoretical bases for has been demonstrated that the morphogenetic com petence for switching the developmental program plant reproduction paying special attention to the new category of vegetative reproduction—floral and vege from a gametophytic to a sporophytic variant is char tative embryoidogeny, i.e., reproduction via develop acteristic of the microspores with a pronounced polar ity (with a high degree of vacuolation and the nucleus ment of somatic embryos. The evidences for natural located in the opposite part of the cell), which are existence of various types and methods of embry oidogeny, which can be combined with traditional structurally similar to the mature egg cell. A stress impact of cold and an optimal concentration of exog forms of seed and vegetative reproductions, are sum enous auxin in culture liquid trigger the sporophytic marized. The development of somatic embryos in developmental pathway for such microspores, initiat seeds together with sexual embryos gives rise to the ing the programs of embryoidogenesis and gem phenomenon of additional genetic heterogeneity of morhizogenesis. seeds; consequently, the new generation will be repre sented not only by the individuals combining the traits The appendix contains detailed methodical recom of parental plants but also by clones of the maternal mendations for production of androclinal haploids of plant. the spring soft wheat and describes the methods for making transient and permanent cytoembryological Considerable attention is paid to the theory and preparations for control of morphogenesis and the practice of androclinal haploidy. The phenomenon of methods for preparing specimens to scanning electron androcliny, based on the switching of the developmen microscopy examination as well as the operating prin tal program of haploid microspores of the anther from ciples of microscopic devices. a gametophytic to a sporophytic pathway, is widely This monograph will undoubtedly be interesting to applied in agricultural plant biotechnology when pro researchers, teachers, postgraduates, and students as ducing homozygous lines. The monograph describes well as breeders and biotechnologists. the results obtained by studying the stages in anther development that are optimal for inducing in vitro morphogenesis according to a sporophytic pathway. It T.A. Ezhova
Russian Journal of Developmental Biology – Springer Journals
Published: Aug 3, 2011
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