|Citation||Saura, A.O., Heino, T.I., Sorsa, V. (1993). Electron microscopic analysis of the banding pattern in the salivary gland chromosomes of Drosophila melanogaster: divisions 11 through 20 of X. Hereditas 119(2): 123--141. (Export to RIS)|
|Publication Type||Research paper|
|PubMed Abstract||The banding pattern of the proximal half of the polytene salivary gland X chromosome of Drosophila melanogaster was studied using thin section electron microscopy. The bands were identified according to Bridges' revised light microscopic map. On Bridges' map, the divisions 11 to 20 contain 112 single bands and as many as 181 double bands. A majority of Bridges' single bands were identified in the thin sections. A total of 23 Bridges' single bands (and 4 bands of division 20) could not be found; in particular, bands were missing from the difficult regions 11DE, 15A, 15C and 16A. Electron microscopy showed the existence of 18 additional faint bands, 4 at the region 18D and 7 at 19EF. Bridges' faintest single bands and the new bands were best seen in formaldehyde fixed material. About 1/4 of Bridges' double bands were found to be made up of two separate bands each. The remaining Bridges' doublets include all kinds of bands: broad, narrow, dark, faint, puffed. Many of them look single in thin sections.|
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|Language of Publication||English|
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