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Kulemzina AI Nie W Trifonov VA Staroselec Y Vasenkov DA Volleth M Yang F Graphodatsky AS 《Cytogenetic and genome research》2011,134(3):200-205
Vespertilionidae is the largest chiropteran family that comprises species of different specialization and wide geographic distribution. Up to now, only a few vespertilionid species have been studied by molecular cytogenetic approaches. Here, we have investigated the karyotypic relationships of 4 Vespertilionidae species from Siberia by G-banding and comparative chromosome painting. Painting probes from Aselliscus stoliczkanus were used to establish interspecific homologous chromosomal segments in Myotis dasycneme (2n = 44), Murina hilgendorfi (2n = 44), Plecotus auritus (2n = 32), and Vespertilio murinus (2n = 38). Robertsonian translocations and a few inversions differentiated the karyotypes of the examined species. Painting of P. auritus karyotype with human probes revealed 3 previously undetected cryptic segments homologous to human chromosomes (Homo sapiens, HSA) 8, 15, and 19, respectively. As a consequence, the existence of 2 HSA 4 + 8 syntenies in the P. auritus karyotype has been proven. In addition, a pericentric inversion or centromere shift was revealed on the smallest metacentric P. auritus chromosome 16/17 using the HSA 16 probe explaining the different G-banding pattern in comparison to the homologous Myotis chromosome 16/17. 相似文献
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对中国不同地区 (湖南郴州、吉林长春、河南宜阳和江苏南京 )取食烟草的不同生活史的烟蚜Myzuspersicae (Sulzer)核型研究结果表明 :在红色型和褐色型中发现 4种染色体组型 ,即 2n =12 ,A1 与A3易位 ;3n =18,A1 与A3易位 ;3n =18,正常 ;2n =11。在黄绿色型中仅发现 2种染色体组型 ,即 2n =12 ,正常和 2n =12 ,A1 与A3易位。在 2n =12核型中 ,不同地区不同体色的烟蚜其染色体相对长度差异不显著 (α =0 .0 5)。 相似文献
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四种风毛菊属植物的核型研究 总被引:14,自引:0,他引:14
本文首次报道产于我国华北地区风毛菊属(SaussureaDC.)4种植物的染色体数目和核型。四个种的染色体数目均是2n=26,都是2倍体。它们的核型是:糠风毛菊(S.Paleata)Zn=2x=26=18m+6sm+2st,属2B型,华北风毛菊(S.mongolica)Zn=2x=26=14m+4sm+8st,属2B型;狭苞凤毛菊(S.dielsiana)Zn=2x=26=8m+12sm+6st,属2C型;银背凤毛菊(S.nivea)2n=2x=26=18m+6sm+2st,属2A型。染色体中均未发现随体。 相似文献
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R J O'Neill M D Eldridge R Toder M A Ferguson-Smith P C O'Brien J A Graves 《Génome》1999,42(3):525-530
Marsupial mammals show extraordinary karyotype stability, with 2n = 14 considered ancestral. However, macropodid marsupials (kangaroos and wallabies) exhibit a considerable variety of karyotypes, with a hypothesised ancestral karyotype of 2n = 22. Speciation and karyotypic diversity in rock wallabies (Petrogale) is exceptional. We used cross species chromosome painting to examine the chromosome evolution between the tammar wallaby (2n = 16) and three 2n = 22 rock wallaby species groups with the putative ancestral karyotype. Hybridization of chromosome paints prepared from flow sorted chromosomes of the tammar wallaby to Petrogale spp., showed that this ancestral karyotype is largely conserved among 2n = 22 rock wallaby species, and confirmed the identity of ancestral chromosomes which fused to produce the bi-armed chromosomes of the 2n = 16 tammar wallaby. These results illustrate the fission-fusion process of karyotype evolution characteristic of the kangaroo group. 相似文献
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山东10种植物的核型分析 总被引:5,自引:1,他引:5
对山东10 种植物进行了核型分析。茴茴蒜( Ranunculuschinensis Bge-) 染色体数目2n =16 , 核型公式K(2n) = 2x = 16 = 2 M + 2m + 2sm + 10st, “3A”类型; 五脉地椒( Thymusquinquecostatus Celak-) 染色体数目2n= 26 , 核型公式K (2n) = 2x= 26 = 8 M + 18m , “1A”类型; 蛇床( Cnidium monnieri(L-) Cuss-) 染色体数目2n= 20 , 核型公式K (2n) = 2x= 20 = 2M+ 16m + 2sm , “2B”类型; 波斯菊( Cosmos bipinnatus Cav-) 染色体数目2n = 24 , 核型公式K(2n) = 2x = 24 = 16m + 2m (sat) + 6sm , “2A”类型; 白车轴草( Trifolium repens L-) 染色体数目2n= 32 , 核型公式K (2n) = 4x = 32 = 32m , “1A”类型; 铁苋菜( Acalypha australis L-)染色体数目2n = 32 , 核型公式K (2n) = 2x= 32 = 32m , “1B”类型; 地构叶( Speranskia t? 相似文献
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鲱形目和鲈形目七种鱼的核型分析 总被引:18,自引:0,他引:18
本文利用体内注射秋水仙素、低渗和空气干燥法,分析了7种海产鱼的染色体组型;鲱形目的斑和青鳞小沙丁,鲈形目的花鲈、皮氏叫姑鱼、黄姑鱼、小黄鱼和黄鳍刺假虎鱼。并结合前人的文献,讨论了鲱形目的核型演化,将鲈形目几种鱼的核型与前人的报道作了比较。 相似文献
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安徽黄精属的细胞分类学研究 总被引:7,自引:3,他引:7
本文首次报道黄精属PolygonatumMill我国三种特有植物的染色体数目和核型,结果如下:安徽黄精P.anhuiense发现两个细胞型:(1)2n=24=4m+6sm+14st;(2)2n=20=4m十6sm+10st; 黄精P.langyaensy2n=18=6m+8sm+4t;距药黄精P.franchetii有三个细胞型:(1)2n=22=8m+8sm(2sc)+6st;(2)2n=20=2m+14sm+4st;(3)2n=18=4m+8sm+4st+2T,全部属3B核型。黄精属植物安徽共有10种,本文对9种黄精的染色体数目、核型进行了比较研究,发现它们可划分成三个类群,与中国植物志(第十五卷)的形态分类基本相符。 相似文献
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二倍体石蒜在安徽发现 总被引:13,自引:2,他引:13
本文以根尖细胞为材料,观察了石蒜Lycoris radiata(L′Her.)Herb.三个不同居群植物的染色体数目和核型,发现石蒜为一复合体,包括两种不同类型:(1)三倍体类型,主要包括一群以鳞茎无性繁殖的园艺栽培植株,其染色体数目和核型为2n=33=33t(st),属“4A”核型,且极其稳定。(2)二倍体类型,主要包括一群野生植株,变异较大,我们发现有下列几种情况:一是芜湖产石蒜(L.radiata)的野生材料,其染色体数目和核型为2n=21+1B=1m+12st+8t+1B,属“3A”核型,在石蒜种内迄今未见有类似报道;另一是黄山产野生材料,观察到两个细胞型,绝大多数细胞为2n=22=12st+1Ot,极个别细胞出现2n=22+1B=6st+14t+2T+1B的情况,均属“4A”核型。芜湖和黄山野生材料的染色体数目和核型均为首次报道。石蒜(L.radiata)的二倍体类群也是首次在安徽发现。 相似文献
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Abstract This paper deals with the karyotype of green peach aphid, Myzus persicae (Sulzer), with three different life cycles in different regions of China. The results showed that four types of karyotype were found in the natural populations of red form and brown form aphids. Four types of karyotype are as follows: 2n = 12 with autosomes 1, 3 translocated (T1–3); 3n = 18 normal triploid; 3n = 18 with T1–3 translocation; and 2n = 11. However, in the yellowish‐green aphids there were only two types of karyotype, normal karyotype 2n= 12 (NK) and 2n = 12 with T1–3 translocation. There was no significant difference in the relative lengths of chromosomes in 2n = 12 karyotype among different color forms and groups from different regions. 相似文献
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中国栎属九种植物的核型分析 总被引:9,自引:3,他引:6
报道了中国栎属 ( Quercus L inn.) 9种植物的核型。结果如下 :帽斗栎 ( Q.guyavaelofia) :2 n=2 4 =2 2 m+2 sm,属于“1A”类型 ;富宁栎 ( Q.setulosa) :2 n=2 4 =2 0 m+4sm,属于“2 A”类型 ;炭栎 ( Q.utilis) :2 n=2 4 =2 4 m,属于“2 A”类型 ;乌冈栎 ( Q.phillyraeoides) :2 n=2 4 =2 0 m+4sm,属于“2 B”类型 ;匙叶栎 ( Q.dolicholepis) :2 n=2 4 =2 0 m+4sm,属于“2 B”类型 ;岩栎( Q.acrodonta) :2 n=2 4 =2 2 m+2 sm,属于“2 B”类型 ;麻栗坡栎 ( Q.marlipoensis) :2 n=2 4 =2 4 m,属于“1B”类型 ;锥连栎 ( Q.franchetii) :2 n=2 4 =2 2 m +2 sm ,属于“1B”类型 ;麻栎 ( Q.acutissima) :2 n=2 4 =2 0 m+4sm,属于“2 B”类型 .其中除麻栎外 ,另 8种的核型系首次报道。研究结果表明 ,上述核型在种间较相似 ,但以组为单位进行比较时 ,则有一定的价值 ,有可能为揭示栎属的系统演化提供新的证据。 相似文献
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Lycoris radiata (L′Her. ) Herb. containing wild and cultural types, is distributed
in China and Japan. The karyotype variation in three populations of the species from Anhui
is studied in this paper. (1) Wuhu wild population has a karyotype 2n=21+1B= 1m+12st
+8t+1B. The chromosomes range in length from 7.50 to 14.10 µm with the ratio of the
longest to the shortest 1.88. The karyotype belongs to Stebbins’(1971) 3A. (2) Huangshan wild population has two cytotypes: 2n=22 and 2n=22+1B. Type Ⅰ: The karyotype
formula is 2n=22=12st+10t. The chromosomes range in length from 6.85 to 9.95 µm.
with the ratio of the longest to the shortest 1.45. The karyotype belongs to 4A. Type Ⅱ:
The karyotype formula is 2n=22+1B=6st+14t+2T+1B (plate 1: 7,8). The chromosomes range in length from 6.50 to 11.02 µm. with the ratio of the longest to the shortest
1.70. The karyotype belongs to 4A. (3) Wuhu cultural type has a karyotype 2n=33=30st
+3t. The chromosomes range in length from 7.10 to 9.35 µm with the ratio of the longest
to the shortest 1.32. The karyotype belongs to 4A. This result agrees well with the previous
reports. The diploid types of Lycoris radiata (L´Her.) Herb. are found in Anhui for the firsttime. 相似文献
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山东四种草本植物的核型研究 总被引:5,自引:2,他引:3
本文对山东4种草本植物进行了染色体研究。结果表明:阿尔泰狗哇花(Heteropappusal taicus(Wild)Navopokr)的染色体数目为2n=36,核型公式为K(2n)=36=36m,核型“1A”型;求米草(Oplismenusundulatifolius(Arduino)RoemetSchult)的染色体数目为2n=12,核型公式为K(2n)=12=8m+4sm,核型“2A”型;红秋葵(Hibiscuscocineus(Medic)Walt)的染色体数目为2n=38,核型公式为K(2n)=38=14m+22sm+2st,核型“2B”型;蟋蟀草(Eleusineindica(L)Gaertn)的染色体数目为2n=18,核型公式为k(2n)=18=16m+2sm,核型“2A”型。 相似文献
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子午岭产4种百合科植物的核型多样性研究 总被引:2,自引:2,他引:0
对子午岭产百合科黄精属大苞黄精(P.megaphyllum)、玉竹(P.odoratum),百合属的细叶百合(L.pumilum),葱属的糙葶韭(A.anisopodium)4种植物进行了染色体研究。其染色体数目和核型分别为:玉竹2n(2x)=20=12m(2SAT)+8sm,核型为2B型;大苞黄精2n(2x)=22=4m+12sm+6st,核型为3B型;细叶百合2n(2x)=24=4m+10st 相似文献
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The present paper reports the chromosome numbers and karyotypes of five species in Polygonatum from Anhui of China. The materials used in this work are listed in Table 1, Photomicrographs of somatic metaphase and karyograms of the five species of Polygonatum in Plate 1, 2, 3, the idiograms in
Fig. 1-11 and a comparison of the karyotype of them is provided in Table 2. The results are shown as follows:
1. Polygonatum odoratum (Mill.)Druce
Two materials were examined. One from Mt. Huangshan, Anhui, has 2n= 16 = 10m (3sc)+ 6sm (Plate 1 :A, B). The idiogram is shown in Fig. 1. The chromosomes range in length from 2.85 to 8.85 μm, with the total length 48.63μm and the ratio of the longest to the shortest 3.11, The karyotype belong to Stebbins’(1971) 2B. The two chromosomes of the first pair have arm ratios 1.01 and 1.29 respectively, and The first pair has one chromosome carrying a satellite attached to the short arm, showing heterozyosity .The chromosome num ber of 2n= 16 in P. odoratum and its karyotype are reported for the first time.
The other from Langyashan, Chu - xian, Anhui, is found to have 2n = 18 = 10m (Isc)+2sm+6st(2sc) (Plate 1: C, D). The idiogram is shown in Fig. 2. The chromosomes range in length from 2.43 to 8.29μm, with the total length 46.67µm and the ratio of the longest to the shortest 3.41. The karyotype is also of 2B. In a somatic chromosome complement the 2nd pair have one chromosome carrying a satellite attached to the long arm, showing heterozygosity.
2. Polygonatum filipes Merr.
Two materials were examined. One from the Huangshan, Anhui is found to have two cytotypes: 2n= 16 and 2n=22. This paper reports one of them. The karyotype formula is 2n=22=8m+8sm(2sc)+6st(Plate 3: Q, R). The idiogram is shown in Fig. 3. The chromosomes range in length from 2.55- 5.85μm, with the total length 45.01 μm and the ratio of the longest to the shortest 2.29. The karyotype belongs to 3B.
The other material from the Fangchang, Anhui, is shown to have four cytitypes: 2n= 14, 2n= 16, 2n=20 (Plate 3: W) and 2n=22. This paper reports two of them.
Type I: the karytype formula is 2n=14=10m+4sm (Plate 3: S, T). The idiogram is shown in Fig. 5. The chromosomes range in length from 2.59 to 7.61μm, the total length 37.44μm and the ratio of the longest to the shortest is 2.94. the karyotype belongs to 2B.
Type II :The karyotype formula is 2n=16=8m+4sm+4st (Plate 3: U, V).
The idiogram is shown in Fig. 4. The chromosomes range in length from 2.65 to
8.21 μm, the total length 46.01 μm and the ratio of the longest to the shortest
3.10. The karyotype belongs to 2B.
The chromosome numbers of 2n=20, 2n= 14 and 2n=22, and karyotype of
2n= 14 and 2n=22 in P. filipes are reported for the first time.
3. Polygonatum cytonema Hua
Two materials were examined. One from the Langyashan, Chuxian, anhui, is found to have 2n = 18 = 8m (2sc)+ 6sm+ 4st (Plate 2: K, L). The idiogram is shown in Fig. 7. The chromosomes range in length from 3.41 to 9.21 μm, the total length 56.34μm and the ratio of the longest to the shortest is 2.70. The karyotype belongs to 2B.
The other material from the Huangshan, Anhui, has two cytotypes: 2n=20 and 2n= 22. Type I: The karyotype formula is 2n= 20= 8m+ 6sm+ 6st (Plate 2: M, N). The idiogram is shown in Fig. 8. The chromosomes range in length from 1.75 to 5.03μm, with the total length 32. 91μm and the ratio of the longest to the shortest 2. 87. The karyotype is also of 2B. Type II: The karyotype formula is 2n=22=6m+ 8sm+4st+ 4t (Plate 2: O, P ). The idiogram is Shown in Fig. 10. The chromosomes range in length from 1.75 to 4.95 μm, with total length 35.05μm and the ratio of the longest to the shortest 2.83. The karyotype brlongs to 3B.
4. Polygonatum desoulayi kom.
The material from Xuancheng, Anhui, is found to have karyotype 2n = 22 = 10m (2sc) + 6sm (lsc) + 6st ( Plate 2. I, J). The idiogram is shown in Fig. 6. The chromosomes range in length from 1.86 to 5.61μm, with the total length 41.98μm and the ratio of the longest to the shortest 3.02. The karyotype is also of 3B. The first pair has one chromosome carrying a satellite attached to the long arm, showing heterozygosity. The chromosome number and karyotype of Chinese material are reported for the first time.
5. Polygonatum verticillatum (L.) All. The material from the Langyashan, Chuxian, Anhui is found to have two cytotypes. Type 1: the karyotype formula is 2n = 18 = 2m+ 2sm+ 10st+ 2t+ 2T (Plate 1: G, H). The idiogram is shown in Fig.9. The chromosomes range in length from 1.86 to 4.03μm, with total length 28.28μm and the ratio of the longest to the shortest 2.17. The karyotype classification belongs to 3B. Type II: The karyotype formula is 2n=24=6m+4sm+12st+2T (Plate 1: E, F). The idiogram is shown in Fig. II. The chromosomes range in length from 2.01 to 5.03μm, with total length 41.36μm and the ratio of longest to shortest 2.50. The karyotype is also of 3B. The chromosome numbers and karyotypes of Chinese material are reported for the first time. 相似文献
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The present paper reports the chromosome number and karyotype of the genus
Hydrilla. H. verticillate was found to have 2n=16. The karyotype is 2n=16=6m+6sm+
4st. No difference between the male and the female was found in the work. H. verticillata
var. roxburghii Casp. has the somatic chromosome number 2n=24, and its karyotype is 2n=
3x=24=9m+9sm+6st. The variety may be a autotriploid. The karyotype of the genus isobviously bimodal, with No. 1-5 in the first group and 6-8 in the second group. 相似文献
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Lycoris sprengeri Comes ex Baker is endemic to China. Reported in the present
paper are the chromosomes number and karyotypes for two wild populations of the species
from Anhui. ( 1 )Caishi population has a karyotype 2n=33=9st+21t+3T. The length of
chromosomes ranges from 5.58~9.15μm. The karyotype belongs to Stebbin’s (1971)
“4A”. (2)Longyashan populations have two karyotypes. The karyotype formula of the type
I is 2n=22=8st+14t, with chromosomes ranging from 6.88~9.15μm. The karyotype
belongs to “4A”. The karyotype formula of the type Ⅱ is 2n=22=1m+1sm+14st+6t,
with chromosomes ranging from 7.20~15.80μm. The karyotype belongs to “3B”. The
triploid type of L. sprengeri was discovered in Anhui for the first time. The karyotype 2n=22 =1m+1sm+14st+6t in diploid type of this species is here reported for the first time.The Robertsonian change plays a key role in karyotype evolution of Lycoris. 相似文献
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采用常规压片技术对分布于横断山区菊科(Compositae)风毛菊属(Saussurea DC.)的6种植物进行染色体数目和核型分析。结果表明:尖苞雪莲(S.polycolea var.acutisquama)核型公式为:2n=2x=32=20m+12sm,属2B型;球花雪莲核(S.globosa)型公式为:2n=2x=34=16m+18sm,属2B型;重齿风毛菊(S.katochaete)核型公式为:2n=2x=32=8m+18sm+6st,属3B型;柱茎风毛菊(S.columnaris)核型公式为:2n=2x=32=24m+8sm,属2B型;禾叶风毛菊(S.graminea)核型公式为:2n=2x=28=8m+18sm+2st,属3B型;长毛风毛菊(S.hieracioides)核型公式为:2n=2x=32=12m+16sm+4st,属2B型。6个种染色体中均未发现随体。其中尖苞雪莲和柱茎风毛菊染色体为首次报道。 相似文献