CiNii Articles - chromosomes

1

New Chromosome Numbers in Five Cardamine Taxa from Turkey

Karaismailoğlu Mehmet Cengiz

… Chromosomes of the studied taxa were assessed according to the terms of a systematic overview of some previous cytogenetic reports. …

CYTOLOGIA 86(1), 11-13, 2021

J-STAGE
2

Revisiting Microscopic Observation of Chromosomal Aberrations in Cultured Human Peripheral Blood Lymphocytes at the Second Mitotic Division after Gamma Irradiation In Vitro

Suto Yumiko , Tominaga Takako , Akiyama Miho , Hirai Momoki

… When compared with the results of M1 cells, the frequency of M2 cells carrying unstable chromosomal aberrations decreased by 43% and that of dicentric chromosomes per cell decreased by 46%. …

CYTOLOGIA 86(1), 67-77, 2021

J-STAGE
3

Karyomorphology and Chromosome Evolution in Nyssaceae (Cornales)

Oginuma Kazuo , Tobe Hiroshi

… comprise six sets of seven chromosomes, suggesting that Nyssaceae are of hexaploid origin with the basic number x=7. …

CYTOLOGIA 86(1), 29-34, 2021

J-STAGE
4

The Topological Distribution of the Chromocenter in Panstrongylus megistus (Burmeister) Malpighian Tubule Cells Examined by Confocal Microscopy

Imperador Carlos Henrique L. , Rodrigues Vera L. C. C. , Mello Maria Luiza S.

… Both species exhibit holocentric chromosomes and conspicuous heterochromatin bodies (chromocenters), but they differ in chromosome number and chromocenter structure and composition patterns. …

CYTOLOGIA 86(1), 47-54, 2021

J-STAGE
5

Cytogenetics Analysis in Somatic Cells of Dermatophyllum secundiflorum (Mescal Bean) Reveals Satellite Association on Subtelocentric Chromosomes

Tapia-Pastrana Fernando , Tapia-Aguirre Fernando

… A cytogenetic analysis of chromosomes in mitotic metaphase of Dermatophyllum secundiflorum, a recently synonymized species, collected in the municipality of Cardonal (Hidalgo State, Mexico) was performed. … The secondary constrictions and microsatellites were clearly located on the short arm of the st chromosomes, which differs from a previous study that placed them on metacentric chromosomes. …

CYTOLOGIA 86(1), 79-83, 2021

J-STAGE
6

New Chromosome Counts in Three Eriocaulon Species from India

Mane Rohit N. , Lekhak Manoj M. , Yadav Shrirang R.

… are tetraploid with 2n=4x=32 chromosomes whereas E. … is a triploid with 2n=3x=24 chromosomes. …

CYTOLOGIA 86(1), 97-99, 2021

J-STAGE
7

New Cytogenetic Information of Wild Species and Cultivars in the Genus Epidendrum (Orchidaceae)

Kondo Haruka , Kikuchi Shinji , Deguchi Ayumi , Miyoshi Kazumitsu

… Six cultivars examined were revealed to have more chromosomes than the wild species, with a range of 2n=84–164, suggesting that the cultivars have high polyploid levels. …

CYTOLOGIA 86(1), 61-65, 2021

J-STAGE
8

A Comparative Account of Fluorescent Banding Pattern in the Karyotypes of Two Indian Luffa Species

Bhowmick Biplab Kumar , Jha Sumita

… We have adopted the enzymatic maceration and air-drying (EMA) method to accomplish comparative karyotype analysis and fluorescence banding patterns on chromosomes of the ridged gourd and its wild relative L. … The species have 2n=26 chromosomes. … The karyotypes of both species have six satellited chromosomes and a predominance of nearly metacentric pairs. …

CYTOLOGIA 86(1), 35-39, 2021

J-STAGE
9

Possible roles for the hominoid-specific DSCR4 gene in human cells

Saber Morteza M. , Karimiavargani Marziyeh , Uzawa Takanori , Hettiarachchi Nilmini , Hamada Michiaki , Ito Yoshihiro , Saitou Naruya

… DSCR4 (Down syndrome critical region 4) is a de novo-originated protein-coding gene present only in human chromosome 21 and its homologous chromosomes in apes. …

Genes & Genetic Systems, 2021

J-STAGE
10

Identification of Genetic Factors Affecting Fruit Weight in the Tomato (Solanum lycopersicum L.) Cultivar 'Micro-Tom'

Takisawa Rihito , Nishida Atsushi , Maai Eri , Nishimura Kazusa , Nakano Ryohei , Nakazaki Tetsuya

… Three QTLs located on chromosomes 4, 7, and 9 were found to regulate fruit weight, and were designated as qfw4.1, qfw7.1, and qfw9.1. …

The Horticulture Journal, 2021

J-STAGE
11

A Comparison of Mating Calls Recorded around the Type Localities of Rana tagoi and R. neba (Amphibia: Anura: Ranidae)

SHIMADA Tomohiko , SANDA Maki , ETO Koshiro

… tagoi, have previously been separated based on differences in the number of chromosomes and the dominant frequencies of their advertisement calls. …

Current Herpetology 40(1), 54-65, 2021

J-STAGE
12

Phosphoregulation of HORMA domain protein HIM-3 promotes asymmetric synaptonemal complex disassembly in meiotic prophase in Caenorhabditis elegans

Sato-Carlton Aya , Nakamura-Tabuchi Chihiro , Li Xuan , Boog Hendrik , Lehmer Madison K. , Rosenberg Scott C. , Barroso Consuelo , Martinez-Perez Enrique , Corbett Kevin D. , Carlton Peter Mark

正常な精子・卵子の形成メカニズムを解明 --染色体の分離に重要なタンパク質の発見--. 京都大学プレスリリース. 2020-12-04.

PLOS Genetics 16(11), 2020-11-11

IR
13

An experience in prenatal diagnosis via QF-PCR of a female child with a 9.9 Mb pure deletion at 18p11.32–11.22

Le Thanh Nha Uyen , Nguyen Viet Nhan , Doan Thi Duyen Anh , Doan Huu Nhat Binh , Le Phan Tuong Quynh , Le Tuan Linh , Ha Thi Minh Thi

… However, it could not detect partial trisomy or partial monosomy of those chromosomes. …

Nagoya Journal of Medical Science 82(4), 783-790, 2020-11

IR DOI
14

Genome biology of the paleotetraploid perennial biomass crop Miscanthus

Therese Mitros , Adam M. Session , Brandon T. James , Guohong Albert Wu , Mohammad B. Belaffif , Lindsay V. Clark , Shengqiang Shu , Hongxu Dong , Adam Barling , Jessica R. Holmes , Jessica E. Mattick , Jessen V. Bredeson , Siyao Liu , Kerrie Farrar , Katarzyna Głowacka , Stanisław Jeżowski , Kerrie Barry , Won Byoung Chae , John A. Juvik , Justin Gifford , Adebosola Oladeinde , Toshihiko Yamada , Jane Grimwood , Nicholas H. Putnam , Jose De Vega , Susanne Barth , Manfred Klaas , Trevor Hodkinson , Laigeng Li , Xiaoli Jin , Junhua Peng , Chang Yeon Yu , Kweon Heo , Ji Hye Yoo , Bimal Kumar Ghimire , Iain S. Donnison , Jeremy Schmutz , Matthew E. Hudson , Erik J. Sacks , Stephen P. Moose , Kankshita Swaminathan , Daniel S. Rokhsar

… sinensis genome, providing a resource for Miscanthus that links its chromosomes to the related diploid Sorghum and complex polyploid sugarcanes. …

Nature Communications 11(1), 5442, 2020-10-28

IR
15

Genetic and clinical landscape of breast cancers with germline BRCA1/2 variants

Inagaki-Kawata Yukiko , Yoshida Kenichi , Kawaguchi-Sakita Nobuko , Kawashima Masahiro , Nishimura Tomomi , Senda Noriko , Shiozawa Yusuke , Takeuchi Yasuhide , Inoue Yoshikage , Sato-Otsubo Aiko , Fujii Yoichi , Nannya Yasuhito , Suzuki Eiji , Takada Masahiro , Tanaka Hiroko , Shiraishi Yuichi , Chiba Kenichi , Kataoka Yuki , Torii Masae , Yoshibayashi Hiroshi , Yamagami Kazuhiko , Okamura Ryuji , Moriguchi Yoshio , Kato Hironori , Tsuyuki Shigeru , Yamauchi Akira , Suwa Hirofumi , Inamoto Takashi , Miyano Satoru , Ogawa Seishi , Toi Masakazu

遺伝性乳癌の遺伝学的・臨床学的特徴を解明 --BRCA1/2 変異乳癌は両アレルの不活化の有無により異なった特徴を持つ--. 京都大学プレスリリース. 2020-10-26.

Communications Biology (3), 2020-10-16

IR
16

Bifractal nature of chromosome contact maps

Simone Pigolotti , Mogens H. Jensen , Yinxiu Zhan , Guido Tiana

… To rationalize this observation, we introduce a model that describes chromosomes as a hierarchical set of nested domains and we solve it exactly. … By applying this method to experimental data, we detect subtle conformational changes among chromosomes during differentiation of human stem cells. …

Physical Review Research 2(4), 043078, 2020-10-15

IR
17

The study of chromosomes of Dorcus bisignatus (Parry) (Coleoptera, Lucanidae) [in Japanese]

阿部東

Kogane (23), 15-17, 2020-08
18

Determination of Plasmid pSN1216-29 Host Range and the Similarity in Oligonucleotide Composition Between Plasmid and Host Chromosomes

Tokuda Maho , Suzuki Haruo , Yanagiya Kosuke , Yuki Masahiro , Inoue Kengo , Ohkuma Moriya , Kimbara Kazuhide , Shintani Masaki

Frontiers in Microbiology (11), 1187, 2020-06-09

IR
19

Human metaphase chromosome consists of randomly arranged chromatin fibres with up to 30-nm diameter

Wako Toshiyuki , Yoshida Akiyo , Kato Jun , Otsuka Yuji , Ogawa Shinichi , Kaneyoshi Kohei , Takata Hideaki , Fukui Kiichi

… https://doi.org/10.1038/s41598-020-65842-z.During cell division, mitotic chromosomes assemble and are equally distributed into two new daughter cells. … Although the 11-nm fibre or nucleosome structure is well-understood as a fundamental fibrous structure of chromosomes, the reports on organisation of 30-nm basic chromatin fibres have been controversial, with debates on the contribution of 30-nm or thicker fibres to the higher order inner structure of chromosomes. …

Scientific Reports 10(1), 8948, 2020-06-02

IR
20

Dilemma of Acquiring Sex Chromosomes : Are Sex Chromosomes an Evolutionary Dead-End? [in Japanese]

野澤昌文

日本の科学者 55(6), 350-354, 2020-06

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