Table 3.
Seven different histone modifications in S. ratti female germlines (A) and the same seven histone modifications in S. ratti male germlines (B)
| A | ||||
| In female germlines | ||||
| Histone modifications | Distal arm (giant nuclei) | Band of small compact nuclei | Diakinesis | Chromosome specificity |
| H3Pser10 | Absent | Present (very low) | Present | Yes—X chromosomal |
| H3K4me3 | Present (high) | Present (high) | Present | Yes—autosomal |
| H3K9me | Present | Present (very low) | Absent | No—entire nucleus |
| H3K27me3 | Present (punctuate) | Present | Present | Yes—autosomal |
| H3K9/K14ac | Present | Present (high) | Present | Yes—autosomal |
| H3K27ac | Present (high) | Present (high) | Absent | Yes—autosomal |
| H4K20me | Present | Present | Absent | No—entire nucleus |
| B | ||||
| In male germlines | ||||
| Histone modifications | Distal arm (giant nuclei) | Band of small compact nuclei | Spermatids | Chromosome specificity |
| H3Pser10 | Absent | Present (high) | Absent | Yes—X chromosomal |
| H3K4me3 | Present (high) | Present (high) | Absent | Yes—autosomal |
| H3K9me | Present | Present (very low) | Absent | No—entire nucleus, maybe more on X |
| H3K27me3 | Present (punctuate) | Present | Absent | Yes—autosomal |
| H3K9/K14ac | Present | Present (high) | Absent | Yes—autosomal |
| H3K27ac | Present (high) | Present (high) | Absent | Yes—autosomal |
| H4K20me | Present (diffuse, high in some parts) | Present (high) | Absent | No—entire nucleus, stains X-chromosome intensely |