Medicine - Veterinary > Veterinary colleges and laboratories > Indian journal of veterinary science and animal husbandry > Volume 8, 1938 > Original articles > On the nuclear structure of Babesia bigemina (Smith and Kilbourne)
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186 Nuclear Structure of Babesia bigemina
The nucleus in Babesia bigemina as described above, is situated at the
narrow apical end of the organism and consists of a karyosome surrounded by
a circlet of fine granules, arranged at the periphery of the nuclear membrane.
With this data at our disposal we can no longer entertain the theory of flagel-
late origin of this sporozoan as propounded by Dennis [1930].
SUMMARY
The nuclear structure of the Indian strain of Babesia bigemina has been
studied in detail. The nucleus is found to consist of a karyosome surrounded
by a circlet of fine granules which give a positive Feulgen reaction. These
fine granules are arranged at the periphery of an achromatinic nuclear mem-
brane. The nucleus is situated at the narrow apical end of the pyriform
body. A granule which is sometimes seen at the broad pole of the parasite,
is two to four times the size of the karyosome and gives a negative Feulgen
reaction. With iodine and Best's carmine this granule gives a faintly posi-
tive reaction for glycogen.
REFERENCES
Breinl, A. and Hindle, E. (1908). Ann. Trop. Med. & Parasit. 2, 233-248.
Dennis, E. W. (1930). Univ. Calif. Publ. Zool. 33, 179-188.
Fantham, H. B. (1907). Quart. J. Micro. Sci. 51, 295-323.
Laveran, A. and Nicolle, M. (1899). C. R. Soc. Biol. 6, 748-751.
Nuttall, G. H. F. and Graham-Smith, G. S. (1908). Parasitol. 1, 134-142.
Rees, C. W. (1934). J. Agric. Res. 48, 427-438.
Smith, T. and Kilbourne, F. (1893). Bull. Bur. Anim. Indus., U. S. Deptt. Agri.
1, 177-304.
Thomson, J. G. and Fantham, H. B. (1913). Ann. Trop. Med. & Parasit. 7,
621-630.
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| Description | Covers articles from 1938. |
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| Description | Volumes 1-29 cover a wide range of topics related to veterinary science and animal husbandry. Black and white and colour plates accompany some articles. Each volume covers one year and has indexes to both authors and subjects at the end. Reviews, obituaries and abstracts are also included. |
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| Description | Reports from veterinary colleges and annual reports of the Imperial Bacteriologist. Plus volumes of the Indian Journal of Veterinary Science and Animal Husbandry covering 1931-1959. |
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| Description | The Veterinary collection consists of 146 volumes dating from 1864 to 1959. Divided into veterinary diseases, colleges and laboratories and Civil Veterinary Departments. Extensive research on trypanosomiasis and rinderpest. Reports show how veterinary medicine controlled disease, maintained livestock and alleviated famine. They explore its effect on military and local communities. |
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| Description | The India Papers collection contains publications of the central (Imperial) Government and many Indian states. Most states came under British rule. Much of the collection dates from between the post-Mutiny re-organisation of the Indian Government and Indian Independence in 1947. Some items published in London by John Murray. |
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