H. G. Callan | Academic Influence

H. G. Callan's AcademicInfluence.com Rankings

H. G. Callan

Biology

#3819

World Rank

#5784

Historical Rank

Zoology

#182

World Rank

#478

Historical Rank

Ecology

#520

World Rank

#571

Historical Rank

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Biology

H. G. Callan's Degrees

Bachelors Biology University of Oxford

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Why Is H. G. Callan Influential?

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According to Wikipedia, Harold Garnet Callan FRS FRSE , known as Mick Callan, was an English zoologist and cytologist. He is especially remembered for his work on Lampbrush chromosomes. Life Callan was born in Maidenhead in Berkshire the son of Garnet George Callan, a naval architect, and Winifred Edith Brazier, a teacher.

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H. G. Callan's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

“Animal Cytology and Evolution” (1955) (652)
Lampbrush chromosomes of crested newts Triturus cristatus (Laurenti) (1960) (359)
The organization of genetic units in chromosomes. (1967) (258)
Review Lecture - Replication of DNA in the chromosomes of eukaryotes (1972) (226)
H3 uridine incorporation in lampbrush chromosomes. (1962) (222)
Experimental studies on amphibian oocyte nuclei I. Investigation of the structure of the nuclear membrane by means of the electron microscope (1950) (209)
THE NATURE OF LAMPBRUSH CHROMOSOMES. (1963) (170)
Small nuclear ribonucleoproteins and heterogeneous nuclear ribonucleoproteins in the amphibian germinal vesicle: loops, spheres, and snurposomes (1991) (167)
Chromosomes and nucleoli of the axolotl, Ambystoma mexicanum. (1966) (144)
DNA replication in the chromosomes of eukaryotes. (1974) (115)
The sphere organelle contains small nuclear ribonucleoproteins. (1989) (86)
The effects of cold and colchicine on mitosis in the newt (1943) (80)
Heterochromatin in Triton (1942) (66)
An Electron Microscope Study of the Nuclear Membrane (1949) (63)
Evidence for a polarized movement of the lateral loops of newt lampbrush chromosomes during oogenesis. (1969) (63)
The Actions of Enzymes on Lampbrush Chromosomes (1962) (61)
A radioautographic study of the time course of male meiosis in the newt Triturus vulgaris. (1968) (60)
Recombination in male and female meiocytes contrasted. (1977) (57)
The Form of Bivalent Chromosomes in Newt Oocytes at First Metaphase of Meiosis (1963) (50)
DNA replication in the chromosomes of the chicken, Gallus domesticus. (1973) (49)
Chapter 8 Lampbrush Chromosomes (1991) (45)
The Croonian Lecture, 1981 - Lampbrush chromosomes (1982) (41)
Foundations of Biology (1955) (40)
Working Maps of the Lampbrush Chromosomes of Amphibia (1975) (32)
Visual Demonstration of Allelic Differences Within Cell Nuclei (1956) (31)
Techniques for the Study of Lampbrush Chromosomes (1986) (31)
The Effects of Castration by Parasites and X-rays on the Secondary Sex Characters of Prawns (Leander Spp.) (1940) (27)
Determination of Sex in Scalpellum (1941) (25)
Chromosome numbers of gammarids (1957) (23)
The actions of restriction endonucleases on lampbrush chromosomes. (1976) (22)
Replication of DNA in eukaryotic chromosomes. (1973) (20)
Differential staining and chromatin packing of the mitotic chromosomes of the newt Triturus cristatus (1976) (20)
Distribution of Nucleic Acid in the Cell (1943) (18)
RNA transcription on the giant lateral loops of the lampbrush chromosomes of the American newt Notophthalmus viridescens. (1978) (16)
Chemical Nature of Nuclear Sap (1950) (16)
In situ hybridization to lampbrush chromosomes: a potential source of error exposed. (1980) (16)
The Cytology of Gaulthettya wisleyensis (Marchant) Rehder A New Mode of Species Formation (1941) (15)
Proteins of the newt germinal vesicle nucleus. (1973) (13)
Nonhistone proteins of the oocyte nucleus of the newt. (1974) (13)
The vigour and male sterility of hybrids between the speciesTriturus vulgaris andT. helveticus (1960) (13)
Multiple conducting systems and the control of behaviour in the brain coral Meandrina meandrites (L.) (1978) (13)
A TRISOMIC GRASSHOPPER (1941) (12)
A Change in the Chromatophore Pattern of Crustacea at Sexual Maturity (1940) (12)
Association of RNA with the B and C snurposomes of Xenopus oocyte nuclei (1991) (11)
Ribose Nucleic Acid in the Drosophila Egg (1948) (11)
Preliminary Account of an Electron Microscope Study of Chromosomes from Newt Oocytes (1951) (11)
The organization of transcription on lampbrush chromosomes. (1978) (10)
Neoteny with Goitre in Triturus Helveticus (1955) (10)
The distribution of oocyte 5S, somatic 5S and 18S + 28S rDNA sequences in the lampbrush chromosomes of Xenopus laevis (1988) (10)
The meiotic process inmantis religiosa L. males (1957) (9)
Size Inheritance In Tomato Fruits (1941) (8)
Distribution of Nucleic Acid in the Cell (1944) (6)
Cleavage rate, oxygen consumption and ribose nucleic acid content of sea urchin eggs (1949) (6)
An experimental analysis of bivalent interlocking in spermatocytes of the new Triturus vulgaris. (1979) (6)
Chiasma formation in spermatocytes and oocytes of the turbellarianDendrocoelum lacteum (1952) (6)
Inversion heterozygosity in females of the newt Notophthalmus viridescens and its influence on chiasma distribution. (1977) (6)
Lampbrush chromosomes as seen in historical perspective. (1987) (6)
Lampbrush chromosomes. (1991) (5)
Structure of eukaryotic chromosomes and chromatin. IV. Functional units: Introductory remarks. (1978) (4)
Hybrids between some members of the RassenkreisTriturus cristatus (1950) (4)
CHAPTER 10 – Centromere Fusions and Telomere Fusions during Meiosis in Amphibia (1991) (4)
|[lsquo]|Heterochromatin|[rsquo]| (1950) (4)
Cell Size in Millipedes (1938) (3)
In situ hybridization to lampbrush chromosomes (1981) (3)
Chiasma interference in diploid, tetraploid and interchange spermatocytes of the earwig,Forficula auricularia (1949) (2)
Oocytes Without Lampbrush Chromosomes (1986) (2)
A survey of the first hundred volumes of Chromosoma (1992) (1)
In situ hybridization of dna sequences to rna sequences on newt triturus cristatus carnifex lampbrush chromosomes (1979) (1)
Molecular Biology, Biochemistry and Biophysics (1987) (1)
Book Reviews (1989) (1)
Karyotypes. (Book Reviews: Cytotaxonomy and Vertebrate Evolution) (1974) (0)
Controlling events in meiosis. Introduction. (1984) (0)
Karyotypes: Cytotaxonomy and Vertebrate Evolution . A. B. Chiarelli and E. Capanna, Eds. Academic Press, New York, 1973. xvi, 784 pp., illus. $41. (1974) (0)
Proteins Associated with Lampbrush Chromosomes (1986) (0)
Abstracts of Papers read at the hundred and thirteenth meeting of the Society, held on 7th November 1953, at the Galton Laboratory, University College, London, W.C.1 (1954) (0)
Distribution of Nucleic Acid Sequences in Lampbrush Chromosomes (1986) (0)
Memoirs: The Chromosomes of the Cymothoid Igopod Anilocra (1940) (0)
Morphological Aspects of RNA Transcription on Lampbrush Chromosomes (1986) (0)
Spermatocytes with Lampbrush Chromosomes (1986) (0)
Studies in nuclear cytology (1950) (0)
Nonhistone Proteins of the Newt Germinal Vesicle (1973) (0)

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