Spino-Caudal Induction by Pentose Nucleoprotein Isolated From the Kidney*

Yamada, Tuneo; Takata, Kenzo

doi:10.1111/j.1440-169x.1956.tb00061.x

Cited by 33 publications

(1 citation statement)

References 15 publications

(6 reference statements)

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“…Lopashov (1935) and Tondury (1936) showed that mesodermal cells can transform into ectodermal cells. In induction experiments, Toivonen (1953, 1954), Yamada and Takata (1956), Yamada (1958), Chuang et al (1962) and Wang et al (1962) observed that presumptive ectodermal cells can produce mesodermal tissues, such as somites, notochord, primitive kidney tube and mesenchymal cells. On the other hand, Takata and Yamada (1960) and Chuang et al (1962) also proved that ectodermal cells can be induced to form endodermal organs like lung rudiment and gut etc.…”

Section: Main Experimental Results and Comments On Tung’s Studies Of mentioning

confidence: 99%

Contribution of late Professor T. C. Tung to the experimental embryology of Amphioxus

Yan

1999

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Professor T. C. Tung ( Fig. 1) was a prominent experimental embryologist in China. He was born in Jin County, Zhejiang Province, China in 1902. After he obtained his Bachelor’s degree from the Department of Biology, Fudan University, Shanghai in 1927, he was appointed as a teaching assistant in that department until he moved to Belgium in 1930. He studied as a graduate student in Professors A. Brachet and A. M. Dalcq’s laboratory at the Universite Libre de Bruxelles, Belgium and obtained his Doctor of Science degree there in 1934. During that period, he made two short working visits to the Institute of Marine Biology in France and took one training course at Cambridge University (UK). In 1934, he was invited to return to China as a Full Professor to teach at several Chinese universities, (Shandong University in Qingdao, Shandong Province; the National University in Nanjing; and Fudan University in Shanghai). He spent 1 year at Yale University (USA) between 1948 and 1949 as an invited scientist in a joint research project and finally returned to China in 1949. He was Chairman of the Department of Zoology, Shandong University in Qingdao (1949~1952), Vice‐President of Shandong University (1952~1960), Director of the Marine Biological Institute, the Chinese Academy of Sciences (CAS) in Qingdao (1949~1958), Director of the Institute of Oceanology (CAS) in Qingdao (1959~1966), Director of the Institute of Zoology (CAS) in Beijing (1960–1962), member of CAS since 1955, Vice‐Chairman of the Biological and Geographical Division of CAS (1955~1958), Chairman of the Biological Division of CAS (1959~1979) and Vice‐President of CAS in Beijing (1978–1979). In spite of his administrative duties, he spent most of his life conducting bench work in his laboratories at the Institutes of Oceanology and Zoology, CAS, respectively, until he passed away in March 1979. Professor Tung’s main research interest was with classic experimental studies on the determination of the egg axis and symmetry planes of fertilized eggs, early differentiation and organizing substances of egg cytoplasm, induction between embryonic cells and cytoplasm in embryogenesis, immunological studies on nuclear transplanted eggs, and cell fusion etc., in several types of animals. He conducted his experiments on a number of invertebrates (ascidians and Amphioxus) and vertebrates (fish and amphibians) by means of very skilful microsurgical operations and the nuclear transplantation method. Among these topics, his studies on the organization and developmental potency of Amphioxus eggs were unique. His important contribution to this research field involved not only establishing a practical method for collecting and using this rare animal for experimental purposes, but also clarifying controversy about the nature and early development of its eggs. He also provided conclusive evidence to determine its evolutionary position between invertebrates and vertebrates.The present article briefly reviews the main results obtained by Professor Tung and his colleagues on Amphioxus. ...

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Section: Main Experimental Results and Comments On Tung’s Studies Of mentioning

confidence: 99%

Contribution of late Professor T. C. Tung to the experimental embryology of Amphioxus

Yan

1999

Dev Growth Differ

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Induction by desoxyribonucleic acids of axial structures in post‐nodal fragments of chick blastoderms

Butros¹

1960

J. Exp. Zool.

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Analysis of inductive agents in chick embryo extract using Triturus gastrula ectoderm as reactor

1960

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Spino-Caudal Induction by Pentose Nucleoprotein Isolated From the Kidney*

Cited by 33 publications

References 15 publications

Contribution of late Professor T. C. Tung to the experimental embryology of Amphioxus

Contribution of late Professor T. C. Tung to the experimental embryology of Amphioxus

Induction by desoxyribonucleic acids of axial structures in post‐nodal fragments of chick blastoderms

Analysis of inductive agents in chick embryo extract using Triturus gastrula ectoderm as reactor

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