Centennial Birthday of Academician M.Kh. Chailakhyan (1902–1991)

Centennial Birthday of Academician M.Kh. Chailakhyan (1902–1991) Russian Journal of Plant Physiology, Vol. 49, No. 4, 2002, p. 433. Translated from Fiziologiya Rastenii, Vol. 49, No. 4, 2002, pp. 485–486. Original Russian Text Copyright © 2002 by Romanov. Centennial Birthday of Academician M.Kh. Chailakhyan (1902–1991) mone complex not only for flowering but also for tuber formation. Chailakhyan actively explored the problem of sexual systems in plants and their hormonal control. His monograph on this topic, written primarily on the basis of his own experimental investigations, was immediately republished abroad. Chailakhyan paid much attention to the role of integrity for the normal functioning of the plant organism. In the summarizing Chailakhyan’s treatise, Control of Flowering in Higher Plants (1988), which appeared shortly before his death, one of the chapters was called Organism Integrity in Plant Development. With his broad scientific erudition and great power of intuition, Chailakhyan always had a keen interest in the achievements of new biological sciences, such as molecular biology and molecular genetics. At the end of the 1980s, while Chailakhyan was still living, the researchers from his laboratory started working with transgenic plants, which represented a new material at that time. Presently, transgenic and mutant plants are actively employed for studying various aspects of hor- monal regulation in numerous research institutes throughout the world, including the Institute of Plant Academician Mikhail Khristoforovich Chaila- Physiology (Russian Academy of Sciences). khyan, an outstanding biologist and plant physiologist, would have been 100 years old on March 21, 2002. His Chailakhyan left behind not only fundamental name will be remembered forever in the history of rapid knowledge and theories that have taken their place in scientific progress of the twentieth century. The works the “golden heritage” of modern science, but also a suc- of Chailakhyan have become classics in plant physiol- cessfully advancing scientific school. This issue of the ogy and are cited in most authoritative scientific edi- journal is a tribute to the distinguished scholar and out- tions. In textbooks on plant physiology, published in standing personality. Chailakhyan won glory not only various countries, Chailakhyan’s name is usually asso- for the institute, where he worked for more than 55 ciated with his hormonal theory of flowering and with years, but also for Russian national science in general. the term “florigen” put forward for designating the hor- His successors and followers prepared many articles for monal substance that induces flowering. Chailakhyan this issue and continue to develop the investigation investigated the problem of flowering throughout his lines initiated by their famous professor. life. All these years, his laboratory and the Institute of During Chailakhyan’s long and fruitful life in sci- Plant Physiology, where he worked, remained a center ence, the majority of presently known phytohormones for new knowledge and ideas. Plant biologists from all and growth regulators were discovered. These discover- over the world were willing to visit this center and ies fully proved his theory on the important role of hor- wanted to be trained there. mones in plant development. The revealed diversity of Chailakhyan’s scientific interests were multifaceted hormonal effects involved in plant growth, morphogene- and not just confined to the issues of flowering. His first sis, and plant resistance is reflected to some extent by the monograph, published as early as 1937, had a general articles in this issue. Obviously, it was impossible to title: Hormonal Theory of Plant Development. Chaila- embrace all contemporary aspects of phytohormone khyan was among the first in the world to realize the action in one issue of the journal. Therefore, we apolo- particular importance of hormonal regulation for plant gize to those authors whose works were not included in growth and development and initiated investigations of this issue owing to limitations of time or journal size. various aspects of such regulation. He guided the stud- ies on hormonal control of tuberization, and these works revealed the crucial importance of the phytohor- Issue editor, G.A. Romanov 1021-4437/02/4904-0433$27.00 © 2002 MAIK ÒNauka / Interperiodica” http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Centennial Birthday of Academician M.Kh. Chailakhyan (1902–1991)

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Kluwer Academic Publishers-Plenum Publishers
Copyright © 2002 by MAIK “Nauka/Interperiodica”
Life Sciences; Plant Sciences
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