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Polytene Chromosomes

A standard cytogenetic map of Culex quinquefasciatus polytene chromosomes in application for fine scale physical mapping

A standard cytogenetic map of Culex quinquefasciatus polytene chromosomes in application for fine scale physical mapping

... of polytene chromosomes were made from fixed mosquito larvae, as described in [8], with the ex- ception of the dissection method and the sub-staging within IV instar ...quinquefasciatus chromosomes ...

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Eu-heterochromatic Rearrangements Induce Replication of Heterochromatic Sequences Normally Underreplicated in Polytene Chromosomes of Drosophila melanogaster

Eu-heterochromatic Rearrangements Induce Replication of Heterochromatic Sequences Normally Underreplicated in Polytene Chromosomes of Drosophila melanogaster

... In polytene chromosomes of D. melanogaster the heterochromatic pericentric regions are underreplicated (underrepresented). In this report, we analyze the effects of eu-heterochromatic rearrangements ...

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The nucleolar organizer of the salivary gland polytene chromosomes as a measure of recent growth in laboratory-reared and field-collected Chironomus Spp. (Diptera: Chironomidae) larvae

The nucleolar organizer of the salivary gland polytene chromosomes as a measure of recent growth in laboratory-reared and field-collected Chironomus Spp. (Diptera: Chironomidae) larvae

... Martin, Joshua P., "The nucleolar organizer of the salivary gland polytene chromosomes as a measure of recent growth in laboratory-reared and field-collected Chironomus Spp.. Electr[r] ...

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In vivo mutagenicity assessment of ethion pesticide using polytene chromosomes of Anopheles culicifacies (Diptera: Culicidae)

In vivo mutagenicity assessment of ethion pesticide using polytene chromosomes of Anopheles culicifacies (Diptera: Culicidae)

... analysis—In polytene chromosome aberrations study, the genotoxicity of ethion was observed in the form of aberrant mitotic configuration represented mainly in the form of structure chromosomal damages such as ...

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The Drosophila Dosage Compensation Complex Binds to Polytene Chromosomes Independently of Developmental Changes in Transcription

The Drosophila Dosage Compensation Complex Binds to Polytene Chromosomes Independently of Developmental Changes in Transcription

... on polytene chromosomes and the inter- pretations of these data are still contradictory (K uroda et ...X chromosomes, on autosomes of both sexes, and, surprisingly, in puffs developing within some ...

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Structural and functional properties of linker histones and high mobility group proteins in polytene chromosomes

Structural and functional properties of linker histones and high mobility group proteins in polytene chromosomes

... Int J De, Bini ~O 177 187 (1996) 177 Structural and functional properties of linker histones and high mobility group proteins in polytene chromosomes JACEK R WISNIEWSKI' and ULRICH GROSSBACH Third Dep[.] ...

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Linear and Spatial Organization of Polytene Chromosomes of the African Malaria Mosquito Anopheles funestus

Linear and Spatial Organization of Polytene Chromosomes of the African Malaria Mosquito Anopheles funestus

... the nuclear envelope in An. funestus (Figure 6A). In We are particularly interested in the comparison of contrast, all ␤-heterochromatic pericentromeric regions linear organizations of polytene chromosomes ...

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Genotoxic effects of cadmium chloride on polytene chromosomes of Sarcophaga ruficornis (fab )  (Sarcophagidae: Diptera)

Genotoxic effects of cadmium chloride on polytene chromosomes of Sarcophaga ruficornis (fab ) (Sarcophagidae: Diptera)

... The stock of Sarcophaga ruficornis used in this experiment originated from gravid female or a single copulating pair collected from wild and maintained at 27±1ºC following the method of Singh et al 2012. Sarcophagid ...

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The Drosophila Suppressor of Underreplication Protein Binds to Late-Replicating Regions of Polytene Chromosomes

The Drosophila Suppressor of Underreplication Protein Binds to Late-Replicating Regions of Polytene Chromosomes

... gland polytene chromosomes, DNA is underrep- ...gland polytene chromosomes with antibodies directed against the SuUR protein shows that the protein is localized mainly in late-replicating ...

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Emil Heitz (1892-1965): chloroplasts, heterochromatin, and polytene chromosomes.

Emil Heitz (1892-1965): chloroplasts, heterochromatin, and polytene chromosomes.

... heterochromatin, as it might be called from now on, possesses only a minor extension and cannot be recog- nized as such in somatic prophases, while the a-hetero- chromati[r] ...

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The Drosophila ash1 Gene Product, Which Is Localized at Specific Sites on Polytene Chromosomes, Contains a SET Domain and a PHD Finger

The Drosophila ash1 Gene Product, Which Is Localized at Specific Sites on Polytene Chromosomes, Contains a SET Domain and a PHD Finger

... Immunohistochemical localization of the ASHl pro- tein: Since the ASHl putative protein is presumed to be a nuclear protein by virtue of its multiple nuclear local[r] ...

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Review of polytene chromosome

Review of polytene chromosome

... gland polytene chromosomes of Drosophila melanogaster were ...of polytene chromosome, were observed in polytene chromosome slides from third instar larvae which have developed in the medium ...

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The Drosophila trithorax group protein Kismet facilitates an
early step in transcriptional elongation by RNA Polymerase II

The Drosophila trithorax group protein Kismet facilitates an early step in transcriptional elongation by RNA Polymerase II

... kis mutant larvae might result from a failure to phosphorylate serine 2, as opposed to a block in an early step of elongation. Inactivation of kinases that phosphorylate serine 2 in yeast (ctk1) (Ahn et al., 2004) and ...

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Karyotype features of trematode Himasthla elongata

Karyotype features of trematode Himasthla elongata

... In case of using conventional methods, metaphase cell accumulation observed only after prolonged 4–6 h of colchicine treatment of redia in culture medium and only clumpy metaphases unsuitable for future cytogen- etic ...

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Toward a Physical Map of Drosophila buzzatii: Use of Randomly Amplified Polymorphic DNA Polymorphisms and Sequence-Tagged Site Landmarks

Toward a Physical Map of Drosophila buzzatii: Use of Randomly Amplified Polymorphic DNA Polymorphisms and Sequence-Tagged Site Landmarks

... the polytene chromosomes, and positive results allowing the precise localization of 108 RAPDs were ...on chromosomes 2 and 4, which partially agree with previous estimates on the distribution of ...

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lecture 3

lecture 3

... 6.14 Polytene chromosomes expand at sites of gene expression.. • Bands that are sites of gene expression on polytene.[r] ...

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A yeast artificial chromosome clone map of the Drosophila genome.

A yeast artificial chromosome clone map of the Drosophila genome.

... We describe the mapping of 979 randomly selected large yeast artificial chromosome (YAC) clones of Drosophila DNA by in situ hybridization to polytene chromosomes.. Eight h[r] ...

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Spps, a Drosophila Sp1/KLF family member, binds to PREs and is required for PRE activity late in development

Spps, a Drosophila Sp1/KLF family member, binds to PREs and is required for PRE activity late in development

... with a deficiency that deletes Spps die at a similar stage. Aside from some wing defects (most flies do not open the wings at all), there is no other morphological defect, i.e. they do not show the homeotic phenotypes ...

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Effect of the Suppressor of Underreplication (SuUR) Gene on Position-Effect Variegation Silencing in Drosophila melanogaster

Effect of the Suppressor of Underreplication (SuUR) Gene on Position-Effect Variegation Silencing in Drosophila melanogaster

... of polytene chromosomes and loss of ectopic contacts between them, and it partially restores polytenization in CH as a result of which new euchro- matic regions appear at the bases of chromosome ...

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Wapl antagonizes cohesin binding and promotes Polycomb group silencing in Drosophila

Wapl antagonizes cohesin binding and promotes Polycomb group silencing in Drosophila

... We do not know how Wapl-AG interferes with Wapl function. The colocalization of Wapl-AG with Rad21 on polytene chromosomes suggests that it might interact with either wild-type Wapl or its interacting ...

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