The gene Heat shock gene 67Bc is referred to in FlyBase by the symbol Dmel\Hsp67Bc (CG4190, FBgn0001229). It is a protein_coding_gene from Drosophila melanogaster. Its molecular function is unknown. There is experimental evidence that it is involved in the biological process: protein lipidation; response to methotrexate; regulation of translational initiation by eIF2 alpha phosphorylation; regulation of autophagy. 7 alleles are reported. No phenotypic data is available. It has one annotated transcript and one annotated polypeptide. Protein features are: Alpha crystallin/Heat shock protein; Alpha crystallin/Hsp20 domain; HSP20-like chaperone. Summary of modENCODE Temporal Expression Profile: Temporal profile ranges from a peak of very high expression to a trough of very low expression. Peak expression observed during late larval stages, at stages throughout the pupal period. Summary of FlyAtlas Anatomical Expression Data: Expression at high levels in the following post-embryonic organs or tissues: larval Malpighian tubules. Expression at moderate levels in the following post-embryonic organs or tissues: larval/adult central nervous system, larval hindgut, adult Malpighian tubules. Comments on Affy2 ProbeSet: ProbeSet 1638484_at completely aligns to an exonic region of the only FlyBase-annotated transcript isoform of Hsp67Bc. Gene sequence location is 3L:9364611..9365597.
User Contributed Data
Phenotypic Description from the Red Book (Lindsley
& Zimm 1992)
Gene/Allele symbols may differ
from current usage
Hsp22 - Hsp-G3
There are seven closely related heat-shock genes at
67B (Ayme and Tissieres, 1985; Pauli, Arrigo, Vasquez, Tonka,
and Tissieres, 1989, Genome 31: 671-76). In addition to the
four small heat-shock genes previously identified (Hsp22,
Hsp23, Hsp26, and Hsp27), three more genes (Hsp-G1, Hsp-G2,
and Hsp-G3, formerly called Gene1, Gene2, and Gene3) have been
found clustered within 15 kb of DNA at the same 67B cytological location. All seven genes are heat-shock inducible in
almost all cells at the stages tested (Ayme and Tissieres,
1985). The genes are also transcribed during certain developmental stages in the absence of heat shock (Sirotkin and
Davidson, 1982, Dev. Biol. 89: 196-210). Pauli et al (1989)
report that the maximum accumulation of developmental rRNA in
a majority of these small heat-shock genes occurs in the white
pupae stage; in Hsp-G2, however, a small transcipt is found in
embryos, first and second instar larvae, and young pupae; and
a larger transcript in the pupal and adult stages of males
(Pauli and Tonka, 1987, J. Mol. Biol. 198: 235-40; Pauli,
Tonka, and Ayme-Southgate, 1988, J. Mol. Biol. 200: 47-53).
In absence of stress, the expression of Hsp26 has been
observed in spermatocytes, nurse cells, epithelium, imaginal
discs, proventriculus, and neurocytes (Glaser, Wolfner, and
Lis, 1986, EMBO 5: 747-54). Transcripts of Hsp26 and Hsp27
accumulate in adult ovaries, apparently originating in nurse
cells (Zimmerman, Petri, and Meselson, 1983, Cell 32: 1161-70).
Recent Updates
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Summary of FlyAtlas Anatomical Expression Data: Expression at high levels in the following post-embryonic organs or tissues: larval Malpighian tubules. Expression at moderate levels in the following post-embryonic organs or tissues: larval/adult central nervous system, larval hindgut, adult Malpighian tubules.
[download data (TSV)]
Guide to FlyAtlas expression level colors
No expression (0 - 9.999)
Low expression (10 - 99.999)
Moderate expression (100 - 499.999)
High level expression (500 - 999.999)
Very high expression (>999.999)
Linear, scaled to maximum expression level
Tissue
Expression Level
Larval Central Nervous System
236.35
Larval Midgut
70
Larval Hindgut
134.7
Larval Malpighian Tubules
6057.2
Larval Fat Body
47
Larval Salivary Gland
43
Larval Trachea
14.125
Larval Carcass
30.95
Adult Head
41.7
Adult Eye
5.1
Adult Brain
211.3
Adult Thoracic-Abdominal Ganglion
57.5
Adult Crop
7.9
Adult Midgut
8.3
Adult Hindgut
5.2
Adult Malpighian Tubules
258.1
Adult Fat Body
8.4
Adult Salivary Gland
11.7
Adult Heart
4.925
Adult VirginFemale Spermatheca
10.6
Adult InseminatedFemale Spermatheca
8.3
Adult Ovary
1.7
Adult Testis
18
Adult Male Accessory Gland
9.8
Adult Carcass
5.8
Expression Level Scale
None
Low
Moderate
High
Very high
Linear, scaled to Moderate expression
Tissue
Expression Level
Larval Central Nervous System
236.35
Larval Midgut
70
Larval Hindgut
134.7
Larval Malpighian Tubules
(6057.2)
Larval Fat Body
47
Larval Salivary Gland
43
Larval Trachea
14.125
Larval Carcass
30.95
Adult Head
41.7
Adult Eye
5.1
Adult Brain
211.3
Adult Thoracic-Abdominal Ganglion
57.5
Adult Crop
7.9
Adult Midgut
8.3
Adult Hindgut
5.2
Adult Malpighian Tubules
258.1
Adult Fat Body
8.4
Adult Salivary Gland
11.7
Adult Heart
4.925
Adult VirginFemale Spermatheca
10.6
Adult InseminatedFemale Spermatheca
8.3
Adult Ovary
1.7
Adult Testis
18
Adult Male Accessory Gland
9.8
Adult Carcass
5.8
Expression Level Scale
None
Low
Moderate
High
Linear, scaled to High level expression
Tissue
Expression Level
Larval Central Nervous System
236.35
Larval Midgut
70
Larval Hindgut
134.7
Larval Malpighian Tubules
(6057.2)
Larval Fat Body
47
Larval Salivary Gland
43
Larval Trachea
14.125
Larval Carcass
30.95
Adult Head
41.7
Adult Eye
5.1
Adult Brain
211.3
Adult Thoracic-Abdominal Ganglion
57.5
Adult Crop
7.9
Adult Midgut
8.3
Adult Hindgut
5.2
Adult Malpighian Tubules
258.1
Adult Fat Body
8.4
Adult Salivary Gland
11.7
Adult Heart
4.925
Adult VirginFemale Spermatheca
10.6
Adult InseminatedFemale Spermatheca
8.3
Adult Ovary
1.7
Adult Testis
18
Adult Male Accessory Gland
9.8
Adult Carcass
5.8
Expression Level Scale
None
Low
Moderate
High
Very high
Linear, scaled to Very high expression
Tissue
Expression Level
Larval Central Nervous System
236.35
Larval Midgut
70
Larval Hindgut
134.7
Larval Malpighian Tubules
6057.2
Larval Fat Body
47
Larval Salivary Gland
43
Larval Trachea
14.125
Larval Carcass
30.95
Adult Head
41.7
Adult Eye
5.1
Adult Brain
211.3
Adult Thoracic-Abdominal Ganglion
57.5
Adult Crop
7.9
Adult Midgut
8.3
Adult Hindgut
5.2
Adult Malpighian Tubules
258.1
Adult Fat Body
8.4
Adult Salivary Gland
11.7
Adult Heart
4.925
Adult VirginFemale Spermatheca
10.6
Adult InseminatedFemale Spermatheca
8.3
Adult Ovary
1.7
Adult Testis
18
Adult Male Accessory Gland
9.8
Adult Carcass
5.8
Expression Level Scale
Very high
log, scaled to maximum expression level
Tissue
Expression Level
Larval Central Nervous System
236.35
Larval Midgut
70
Larval Hindgut
134.7
Larval Malpighian Tubules
6057.2
Larval Fat Body
47
Larval Salivary Gland
43
Larval Trachea
14.125
Larval Carcass
30.95
Adult Head
41.7
Adult Eye
5.1
Adult Brain
211.3
Adult Thoracic-Abdominal Ganglion
57.5
Adult Crop
7.9
Adult Midgut
8.3
Adult Hindgut
5.2
Adult Malpighian Tubules
258.1
Adult Fat Body
8.4
Adult Salivary Gland
11.7
Adult Heart
4.925
Adult VirginFemale Spermatheca
10.6
Adult InseminatedFemale Spermatheca
8.3
Adult Ovary
1.7
Adult Testis
18
Adult Male Accessory Gland
9.8
Adult Carcass
5.8
Expression Level Scale
None
Low
Moderate
High
Very high
log, scaled to Moderate expression
Tissue
Expression Level
Larval Central Nervous System
236.35
Larval Midgut
70
Larval Hindgut
134.7
Larval Malpighian Tubules
(6057.2)
Larval Fat Body
47
Larval Salivary Gland
43
Larval Trachea
14.125
Larval Carcass
30.95
Adult Head
41.7
Adult Eye
5.1
Adult Brain
211.3
Adult Thoracic-Abdominal Ganglion
57.5
Adult Crop
7.9
Adult Midgut
8.3
Adult Hindgut
5.2
Adult Malpighian Tubules
258.1
Adult Fat Body
8.4
Adult Salivary Gland
11.7
Adult Heart
4.925
Adult VirginFemale Spermatheca
10.6
Adult InseminatedFemale Spermatheca
8.3
Adult Ovary
1.7
Adult Testis
18
Adult Male Accessory Gland
9.8
Adult Carcass
5.8
Expression Level Scale
None
Low
Moderate
High
log, scaled to High level expression
Tissue
Expression Level
Larval Central Nervous System
236.35
Larval Midgut
70
Larval Hindgut
134.7
Larval Malpighian Tubules
(6057.2)
Larval Fat Body
47
Larval Salivary Gland
43
Larval Trachea
14.125
Larval Carcass
30.95
Adult Head
41.7
Adult Eye
5.1
Adult Brain
211.3
Adult Thoracic-Abdominal Ganglion
57.5
Adult Crop
7.9
Adult Midgut
8.3
Adult Hindgut
5.2
Adult Malpighian Tubules
258.1
Adult Fat Body
8.4
Adult Salivary Gland
11.7
Adult Heart
4.925
Adult VirginFemale Spermatheca
10.6
Adult InseminatedFemale Spermatheca
8.3
Adult Ovary
1.7
Adult Testis
18
Adult Male Accessory Gland
9.8
Adult Carcass
5.8
Expression Level Scale
None
Low
Moderate
High
Very high
log, scaled to Very high expression
Tissue
Expression Level
Larval Central Nervous System
236.35
Larval Midgut
70
Larval Hindgut
134.7
Larval Malpighian Tubules
6057.2
Larval Fat Body
47
Larval Salivary Gland
43
Larval Trachea
14.125
Larval Carcass
30.95
Adult Head
41.7
Adult Eye
5.1
Adult Brain
211.3
Adult Thoracic-Abdominal Ganglion
57.5
Adult Crop
7.9
Adult Midgut
8.3
Adult Hindgut
5.2
Adult Malpighian Tubules
258.1
Adult Fat Body
8.4
Adult Salivary Gland
11.7
Adult Heart
4.925
Adult VirginFemale Spermatheca
10.6
Adult InseminatedFemale Spermatheca
8.3
Adult Ovary
1.7
Adult Testis
18
Adult Male Accessory Gland
9.8
Adult Carcass
5.8
Expression Level Scale
None
Low
Moderate
High
Very high
Heatmap
Tissue
Expression Level
Larval Central Nervous System
Larval Midgut
Larval Hindgut
Larval Malpighian Tubules
Larval Fat Body
Larval Salivary Gland
Larval Trachea
Larval Carcass
Adult Head
Adult Eye
Adult Brain
Adult Thoracic-Abdominal Ganglion
Adult Crop
Adult Midgut
Adult Hindgut
Adult Malpighian Tubules
Adult Fat Body
Adult Salivary Gland
Adult Heart
Adult VirginFemale Spermatheca
Adult InseminatedFemale Spermatheca
Adult Ovary
Adult Testis
Adult Male Accessory Gland
Adult Carcass
FlyAtlas Organ/Tissue Expression, larval vs. adult
Summary of modENCODE Temporal Expression Profile: Temporal profile ranges from a peak of very high expression to a trough of very low expression. Peak expression observed during late larval stages, at stages throughout the pupal period.
[download data (TSV)]
Please Note FlyBase no
longer curates genomic clone accessions so this list
may not be complete
cDNA Clones ( 26 )
Please Note
This section lists
cDNAs and ESTs that fall within the genomic extent
of the gene model, which may include cDNAs and ESTs
of genes within introns, or of overlapping genes.
Please see GBrowse for alignment of the cDNAs and ESTs
to the gene model.
In unshocked cells Hsp83 is moderately transcribed while transcription from the other heat shock genes is undetectable. Engaged but paused RNA molecules are found at the various Hsp70 and Hsp26 genes but not at the other heat shock genes. Increased transcription of the heat shock genes is observed within 1-2 mins of heat shock and maximal rates were reached within 2-5 minutes. Rates of transcription vary over a 20-fold range.
Exposure of cells to pulses of elevated temperature initiates the heat-shock response. A restricted subset of genes, the Hsp genes, is activated and the majority of transcription and translation is shut down. 3H-uridine incorporation ceases at its usual positions and commences at new puff sites. Preexisting polysomes disaggregate and within a few minutes a new population of polysomes appears containing newly transcribed mRNA; this RNA hybridizes to some of the heat-shock puffs. Similar response inducible by other stressful treatments. The response may be elicited at all stages of the life cycle and in cultured cells.
The binding sites for the protein factors required for activation of transcription of Hsp genes are multiple short upstream sequence elements called HSEs or heat shock consensus elements.
The heat shock response follows a pulse of 36oC to 40oC; treatments above 40oC inhibit all activity and lead to death; treatments of 30oC-35oC induce heat-shock-protein synthesis without repressing normal protein synthesis.
In polytene cells, during heat shock response, existing puffs regress and a novel group quickly appear at cytological locations 33B, 63C, 64F, 67B, 70A, 87A, 87C, 93D, 95D.
Baradaran-Heravi et al., 2012, Hum. Mol. Genet. 21(11): 2572--2587
Penetrance of biallelic SMARCAL1 mutations is associated with environmental and genetic disturbances of gene expression. [FBrf0218299]
Vesala et al., 2012, Insect Mol. Biol. 21(1): 107--118
Cold tolerance and cold-induced modulation of gene expression in two Drosophila virilis group species with different distributions. [FBrf0217233]
Zhang et al., 2011, J. Molec. Cell. Cardiol. 51(3): 381--389
Effects of different small HSPB members on contractile dysfunction and structural changes in a Drosophila melanogaster model for Atrial Fibrillation. [FBrf0214619]