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1 juxtaposition at centromere regions at early zygotene.
2 ENs per unit length of SC from early to late zygotene.
3 The nucleolus was adjacent to the cluster at zygotene.
4 e in homoeologous centromere interactions at zygotene.
5  and progresses along chromosome arms during zygotene.
6    The telomere cluster persisted throughout zygotene and into early pachytene.
7 permatocytes were arrested between leptotene/zygotene and pachytene and died through apoptosis.
8                     Chk1 accumulates in late zygotene and pachytene spermatocytes and is present alon
9 te foci along meiotic chromosomes during the zygotene and pachytene stages of meiosis.
10  form on the chromosomes at the beginning of zygotene and rise to approximately 500 per nucleus by mi
11 ly with chromatin loops during leptotene and zygotene and showed preferential binding in the vicinity
12 a peak at day 14 postpartum, when leptotene, zygotene, and early pachytene spermatocytes are the most
13 mologous chromosomes at late leptotene/early zygotene are essential steps before chromosome synapsis
14                                       During zygotene, as homologous chromosomes pair and synapse, a
15 et, then the meiotic-vegetal center forms at zygotene bouquet stages, when symmetry is, in effect, br
16 ame process, in modulated form, explains the zygotene "bouquet" configuration in which, immediately p
17 cells at early meiotic stages (leptotene and zygotene) but lower percentages at later stages (pachyte
18 es of subtelomeric synapsis emerged at early zygotene, centromere clusters lost their strong polariza
19 tes the transition through a novel leptotene-zygotene checkpoint, a key step in early meiotic prophas
20 ant decreases in the number of RAD51 foci at zygotene, corresponding to the degree of their pairing d
21 ant germ cells suffer meiotic arrest at late zygotene/early pachynema stages, with defects in sex bod
22                                      At late zygotene/early pachytene a proportion of AtMSH5 foci co-
23                                  At the late zygotene/early pachytene transition, about one-third of
24 on events are independent of the earlier mid-zygotene events, whereas both mid and late synapsis init
25 ularly enriched during meiotic leptotene and zygotene in germline chromatin of Tetrahymena and C. ele
26 n an early meiotic prophase state (leptotene/zygotene) in mutant germ cells, and identified several m
27                   Chromosome synapsis during zygotene is a prerequisite for the timely homologous rec
28           The tight bouquet normally seen at zygotene is a rare event.
29                                Leptotene and zygotene (L/Z) spermatocytes are not competent to respon
30 (Hordeum vulgare) to only 2 to 17% of normal zygotene levels.
31  leptotene-like state and never compact to a zygotene-like configuration.
32 arly euchromatic SC initiation events at mid-zygotene may be required for DSBs to be repaired as cros
33                    We further reveal that in zygotene nests, intercellular cytoplasmic bridges remain
34 tonemal complexes (SCs) during leptotene and zygotene of meiosis.
35                                     In "late zygotene" oocytes, SC initiates at many more sites that
36                                      In "mid-zygotene" oocytes, SC initiates at several euchromatic s
37                                    In "early zygotene" oocytes, synapsis is only observed at the cent
38 ls enter meiosis but fail to progress beyond zygotene or leptotene stage.
39 e H4-K8 lactylation (H4K8la), which peaks at zygotene, our data show that H4K8la mark is observed at
40                   Meiosis is arrested at the zygotene/pachytene stage of prophase I as a result of ab
41 erature-sensitive failure of meiosis in late Zygotene/Pachytene that is associated with defective for
42 c prophase I when it regulates the leptotene-zygotene progression.
43  on the frequency and distribution of ENs in zygotene SC spreads from six plant species that include
44 nvolution light microscopy revealed that, at zygotene, SC assembly was initiated at foci that appeare
45 sion of interstitial ZYP1 loci elongating at zygotene so synapsis at centromeres is a continuation of
46 s of normal mice, where only a few leptotene/zygotene spermatocytes I with clustered telomeres were d
47 ity that are initially detected in leptotene-zygotene spermatocytes just preceding the formation of t
48 of DNA breaks detected rose as leptotene and zygotene spermatocytes populate the testis with a peak a
49 oteins in enriched preparations of leptotene/zygotene spermatocytes, prepubertal and adult pachytene
50 uncharacterised populations of leptotene and zygotene spermatocytes.
51 her localize cyclin B3 mRNA to leptotene and zygotene spermatocytes.
52 e that mei1/mei1 spermatocytes arrest at the zygotene stage of meiosis I, exhibiting failure of homol
53  Tdrkh mutants display meiotic arrest at the zygotene stage, attenuate methylation of Line1 DNA, and
54 dergo cytological arrest in a late-leptotene/zygotene stage, they nevertheless develop gene expressio
55 ck end labeling, and Rad51) at the leptotene/zygotene stages of spermatocytes.
56 genes that are markers for the leptotene and zygotene stages, but not genes that are markers for the
57                           Surprisingly, late zygotene synapsis initiation events are independent of t
58 ocalize to the bouquet; and (c) beginning at zygotene, the behavior of telomeres is dominant over any
59                                       During zygotene, the largest foci were present in regions under
60 xpressed in the germ line of the testis from zygotene through round spermatids, whereas mUtp14a, alth
61 ed ask1 defects in cohesin distribution from zygotene to anaphase I.
62 und to form discrete nuclear foci from early zygotene to late pachytene.
63 nsiently form a cluster during the leptotene/zygotene transition (bouquet arrangement).
64 s associate with the NE during the leptotene-zygotene transition but cluster slowly if at all as meio
65 s. telomeres in the nucleus at the leptotene-zygotene transition is the same in mutant and wild-type
66 maintenance of homolog bias at the leptotene/zygotene transition of meiotic prophase.
67  Hop1 plays a critical role at the leptotene/zygotene transition which is defined by transition from
68  type (WT) meiosis during late leptotene and zygotene, was missing in the ask1-1 mutant.
69 UMO-1 appeared on gonosomal chromatin during zygotene when chromosome homologues pair and sex chromat
70 rise to approximately 500 per nucleus by mid-zygotene when chromosomes are pairing and synapsing.