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Status
Public on Sep 01, 2004
Title
Sporulation gerR mutant Hour 3.5 exp. 3
Sample type
RNA
Channel 1
Source name
gerR+ (strain PE454)
Organism
Bacillus subtilis
Extracted molecule
total RNA
Channel 2
Source name
gerR mutant (strain SW282)
Organism
Bacillus subtilis
Extracted molecule
total RNA
Description
Strains PE454 and SW282 were grown in parallel in hydrolysed casein medium at 37°C to an OD600 of 0.6. Sporulation was induced by resuspension in Sterlini-Mandelstam medium at 37C. Three hour and thirty minutes after resuspension, 25 ml of each culture were collected for RNA isolation and immediately mixed with an equal volume of methanol at –20C. RNA was isolated with a Hot Phenol/Trizol procedure. cDNA was prepared from 50 ug tot RNA and fluorescently labeled using Superscript Reverse Transcriptase and Cy5-dUTP for the RNA sample from strain PE454 and Cy3-dUTP for the RNA sample from strain SW282. Protocols for RNA isolation, cDNA preparation and labeling, hybridization to the microarrays and washing procedure can be found at http://mcb.harvard.edu/losick This is the third repetition of the experiment at this time point.
Submission date
Jul 27, 2004
Last update date
Oct 28, 2005
Contact name
Patrick Yves Eichenberger
E-mail(s)
[email protected]
Phone
617-495-0532
Fax
617-496-4642
URL
http://mcb.harvard.edu/losick
Organization name
Harvard University
Department
Molecular and Cellular Biology
Lab
Losick
Street address
16 Divinity Avenue
City
Cambridge
State/province
MA
ZIP/Postal code
02138
Country
USA
Platform ID
GPL1353
Series (1)
GSE1620
Sporulation in Bacillus subtilis (mother cell)
Data table header descriptions
ID_REF
CH1_MEDIAN
channel1 median signal
CH1_MEAN
channel1 mean signal
CH1_SD
channel1 signal standard deviation
CH1_BKD_MEDIAN
channel1 median background
CH1_BKD_MEAN
channel1 mean background
CH1_BKD_SD
channel1 background standard deviation
CH2_MEDIAN
channel2 median signal
CH2_MEAN
channel2 mean signal
CH2_SD
channel2 signal standard deviation
CH2_BKD_MEDIAN
channel2 median background
CH2_BKD_MEAN
channel2 mean background
CH2_BKD_SD
channel2 background standard deviation
VALUE
log ratio (log2 of PRE_VALUE)
FLAGS
user defined flag (default=0, bad=-100, empty=-75)
PRE_VALUE
ratio channel1 median signal minus median background and channel2 median signal minus median background, not normalized
Data table
ID_REF
CH1_MEDIAN
CH1_MEAN
CH1_SD
CH1_BKD_MEDIAN
CH1_BKD_MEAN
CH1_BKD_SD
CH2_MEDIAN
CH2_MEAN
CH2_SD
CH2_BKD_MEDIAN
CH2_BKD_MEAN
CH2_BKD_SD
VALUE
FLAGS
PRE_VALUE
1
6127
6483
1662
266
271
80
6231
6497
1621
287
289
70
-0.0203403
0
0.986
2
1218
1206
330
265
274
80
1421
1409
361
289
294
62
-0.2481083
0
0.842
3
7076
6944
1780
275
287
91
6717
6629
1776
304
311
73
0.0854253
0
1.061
4
5388
5230
1332
305
319
98
6770
6773
1928
336
340
82
-0.3400753
0
0.79
5
2113
2198
587
323
331
96
3193
3296
914
352
357
89
-0.6665763
0
0.63
6
896
933
235
334
343
90
1155
1203
325
356
360
75
-0.5084033
0
0.703
7
1767
1790
436
323
331
94
2116
2097
462
358
362
94
-0.2845463
0
0.821
8
578
585
142
309
313
87
709
724
135
328
335
68
-0.5022603
0
0.706
9
886
906
237
288
294
80
999
985
235
312
340
501
-0.2009133
0
0.87
10
9360
9247
2411
282
306
326
8488
8200
2129
305
349
911
0.1492593
0
1.109
11
3724
3610
998
280
286
79
5597
5333
1586
307
312
61
-0.6192713
0
0.651
12
2457
2428
601
293
297
87
3759
3780
768
312
314
62
-0.6711643
0
0.628
13
694
697
161
288
295
80
942
961
223
316
317
61
-0.6237103
0
0.649
14
491
513
156
292
300
91
617
668
221
312
316
73
-0.6170563
0
0.652
15
1821
1853
470
297
299
81
2082
2091
560
319
321
63
-0.2108973
0
0.864
16
743
724
178
293
301
87
2892
2849
779
319
322
61
-2.5145733
0
0.175
17
1914
1945
368
292
302
86
1998
2024
347
323
324
64
-0.0469213
0
0.968
18
528
576
216
263
269
79
627
659
219
282
284
60
-0.3808223
0
0.768
19
469
485
132
264
272
77
845
835
175
287
291
66
-1.4461483
0
0.367
20
2561
2578
886
272
278
79
3988
4013
1514
289
292
58
-0.6919893
0
0.619
Total number of rows: 4623 Table truncated, full table size 312 Kbytes .Supplementary file
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