Thomas J B, Kaltsikes P J
Proc Natl Acad Sci U S A. 1974 Jul;71(7):2787-90. doi: 10.1073/pnas.71.7.2787.
Rye chromosomes were selectively stained in the meiosis of triticale by means of heterochromatin banding techniques. Compared to wheat chromosomes, rye chromosomes showed reduced pairing at first meiotic metaphase. Within the rye genome this pairing failure was associated with the presence of large, terminal heterochromatic bands. Since these terminal bands of rye chromosomes are late replicating, the effect of heterochromatin could arise from an overlap between the processes of chromosome replication and chromosome pairing.
通过异染色质带技术，在小黑麦减数分裂过程中对黑麦染色体进行了选择性染色。与小麦染色体相比，黑麦染色体在第一次减数分裂中期的配对减少。在黑麦基因组中，这种配对失败与大型末端异染色质带的存在有关。由于黑麦染色体的这些末端带复制较晚，异染色质的影响可能源于染色体复制和染色体配对过程之间的重叠。
