Name: Mytilus edulis sperm
Description: 2-DE proteome map and identification of highly expressed protein spots in sperm of Mytilus edulis
Version: MIAPE: Gel Electrophoresis 1.4
1. General features
1.1.1 Date Stamp
2007-12-01
1.1.2 Responsible person or role
Affiliation: University of Vigo
(i) Name: Angel P. Diz
(ii) Postal address: Department of Biochemistry, Genetics and Immunology
Faculty of Biology
University of Vigo
Campus Universitario de Vigo s/n
36310 Vigo
Spain
Tel. +34 986813828
Population Genetics and Cytogenetics Group (XB2)
http://webs.uvigo.es/genxb2
(iii) Email address: angel.p.diz@uvigo.es
1.1.3 Electrophoresis type
Two-Dimensional electrophoresis
2. Sample
2.1.1 Sample Name(s)
-
- Sample name: Sperm from Mytilus edulis
- Sample type: Test sample
2.1.2 Loading buffer
- 7M urea, 2M thiourea, 4% CHAPS, 1% DTT and 1% IPG
3. Gel matrix and electrophoresis protocol
3.1 Dimension details
3.1.1 Ordinal number for this dimension
First
3.1.2 Separation method employed
Isoelectric focusing (IEF)
3.2 Gel Matrix
3.2.1 Description of gel matrix
IPG strip
Denaturing
3.2.2 Gel manufacture
Gel was purchased precast.
Manufacturer: GE Healthcare
Model: Immobiline DryStrip pH 3-10 NL, 24 cm
Model number: 17-6002-45
Batch number: unknown
3.2.3 Physical dimensions
X: 240 mm
Y: 3 mm
Z: 0.5 mm
3.2.4 Physiochemical property range and distribution
Non Linear pH 3 - 10
3.2.5 Acrylamide concentration
4 %
3.2.6 Acrylamide : Crosslinker ratio
Crosslinker: Bisacrylamide
Ratio: 29:1
3.2.7 Additional substances in gel
No additional substance
3.2.8 Gel lane
13.2.9 Sample application
Lane 1
- Sample: Sperm from Mytilus edulis
- Volume of sample: 300 µg
- Loading buffer: 7M urea, 2M thiourea, 4% CHAPS, 1% DTT and 1% IPG
- Volume of loading buffer: 450 µL
Loading method: rehydration loading.
3.3 Protocol
3.3.1 Buffers
7M urea, 2M thiourea, 4% CHAPS, 1% DTT and 1% IPG
3.3.2 Electrophoresis conditions
Running temperature: 20 °C
Hold: 500 V, 2 h
Gradient: 500-1000 V, 3 h
Hold: 8000 V, 11 h
4. Inter-dimension Process
4.1 Protocol
4.1.1 Step name
reduction
4.1.2 Inter dimension buffer
50 mM Tris-HCl (pH 8.8), containing 2% (w/v)
SDS, 1% (w/v) dithiothreitol (DTT), 6 M urea and 30% (w/v) glycerol
4.1.3 Additional reagents
No additional reagent.
4.1.4 Equipment
4.1.5 Protocol
Temperature: 20 °C.
Duration: 15 min.
4.1.1 Step name
alkylation
4.1.2 Inter dimension buffer
[50 mM Tris-HCl (pH 8.8), containing 2% (w/v)
SDS, 4% (w/v) iodoacetamide, 6 M urea and 30% (w/v) glycerol
4.1.3 Additional reagents
No additional reagent.
4.1.4 Equipment
4.1.5 Protocol
Temperature: 20 °C.
Duration: 15 min.
3. Gel matrix and electrophoresis protocol
3.1 Dimension details
3.1.1 Ordinal number for this dimension
Second
3.1.2 Separation method employed
Sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE)
3.2 Gel Matrix
3.2.1 Description of gel matrix
slab gel
Denaturing
3.2.2 Gel manufacture
Gel was manufactured using the following receipe:
Acrylamide/bis (30% T, 37.5:1 líquid)
H20 mQ
1.5 M Tris-HCL, pH 8.8
10% SDS
10% ammonium persulfate (fresh)
TEMED
3.2.3 Physical dimensions
X: 22 cm
Y: 27 cm
Z: 0.1 cm
3.2.4 Physiochemical property range and distribution
logarithmic apparent molecular mass 200 - 10 kDa
3.2.5 Acrylamide concentration
12.5 %
3.2.6 Acrylamide : Crosslinker ratio
Crosslinker: Bisacrylamide
Ratio: 37.5:1
3.2.7 Additional substances in gel
No additional substance
3.2.8 Gel lane
13.2.9 Sample application
Loading method: IPG strip load on the top of 2-DE gel.
3.3 Protocol
3.3.1 Buffers
1× SDS electrophoresis buffer
3.3.2 Electrophoresis conditions
Running temperature: 20 °C
Hold: 100 V, 45 min
Hold: 500 V, 6 h
5. Detection
5.1 Direct detection
5.1.1 Name of direct detection_process
Silver staining
5.1.2 Direct detection agents
N/A
5.1.3 Additional reagents and buffers
No additional reagents or buffer
5.1.4 Equipment
No specialised equipment.
5.1.5 Direct detection protocol
Temperature: 20 °C.
Duration: 5 h.
Detection is described in the following reference protocol:
Citation:
Anal. Chem.,68,
page(s) 103-112 (1985).
URL:
http://pubs.acs.org/doi/abs/10.1021/ac950914h
6. Image Acquisition
6.1 Acquisition Equipment
6.1.1 Type of equipment
laser scanner6.1.2 Name of equipment
Manufacturer: GE Healthcare
Model: ImageScanner (GE Healthcare)
Model number: Unknown
6.1.3 Software
Manufacturer: GE Healthcare
Model: ImageMaster Platinum
Model number: 5
6.1.4 Calibration
No (manual)
6.1.5 Equipment specific parameters
Default (vendor) parameters.6.2 Acquisition Protocol
6.2.1 Image acquisition process
We have followed manufacturer instructions6.2.2 Reference to gel matrix
There is only one gel in this document.
7. Image
7.1.1 Image name (or id)
Mytilus edulis sperm (format: TIFF)
7.1.2 Dimensions
Width: 1000 px
Height: 1000 px
7.1.3 Resolution
300 ppi
7.1.4 Bit-depth
8-bit (256 colors)7.1.5 Image location
Mytilus sperm gel World 2DPAGE large format.tif7.1.6 Standard image orientation
Yes