Tag Archives: chromosomes

Animal Cytogenetics, Gene Mapping and Chromosome Research – The 21st Colloquium Ischia, Naples, Italy

Cytogenetics of animals is moving forward rapidly with the integration of sequencing and robust phylogenies with methods of chromosome analysis. The 21st International Colloquium on Animal Cytogenetics and Gene Mapping held June 2014 covered a range of topics in comparative, molecular, … Continue reading

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In situ hybridization: a course on FISH and ChIp

In situ hybridization – a course on FISH and ChIp In situ hybridization, now largely with fluorescent detection so ‘fluorescent in situ hybridization’ or FISH, is a key method for localizing DNA sequences along chromosomes and occassionally within interphase nuclei. … Continue reading

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Nucleosomes and centromeric DNA packaging

304. Heslop-Harrison JS, Schwarzacher T. 2013. Nucleosomes and centromeric DNA packaging. Proc Nat Acad Sci USA 110 (50): 19974–19975. http://www.pnas.org/content/110/50/19974.full.pdf+html http://dx.doi.org/10.1073/pnas.1319945110 – Author manuscript: Author Version 2013 – Powerpoint figure: Nucleosome Figure PNAS Schwarzacher HeslopHarrison The eukaryotic chromosome is a conserved structure, with the DNA … Continue reading

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Wild banana species: their classification and the sequencing of Musa balbisiana

Crop relatives are important – we learn about the relationships of wild germplasm in comparison to the domesticated forms, and about the genetics and genes in the wild species. Two papers in the last month advance our understanding of wild … Continue reading

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Haploid callus from a diploid Musa accession for genome analysis

303. Nair AS, Heslop-Harrison P, Schwarzacher T. 2013. Production of haploid tissues and SNP analysis of the genome in Musa acuminata cv.‘Matti’ (AA). Plant Mutation Reports 3(1): 18-24.   Haploid and doubled haploid plants are of considerable value in genetic studies, genomics … Continue reading

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100 years after Sturtevant and the linear order of genes on chromosomes: an ECA cytogenetics session

Among the exciting Plenary Sessions at the European Cytogeneticists Association conference in Dublin – #ECA2013 – one marked 100 years since publication of Alfred H Sturtevant’s landmark research paper presenting the first genetic map of a chromosome (1913: J. Exp. Zool., 14 (1), … Continue reading

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Repetitive DNA in tetraploid peanut and its evolution from diploid Arachis

302. Bertioli DJ, Vidigal B, Nielen S, Ratnaparkhe MB, Lee T-JH, Leal-Bertioli SCM, Kim C, Guimaraes PM, Seijo G, Schwarzacher T, Paterson AH, Heslop-Harrison P, Araujo ACG. 2013. The repetitive component of the A genome of peanut (Arachis hypogaea) and its … Continue reading

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Nouf Alsayied: PhD student with Saffron Crocus at the University of Leicester and faculty member Umm Al-Qura University, Kingdom of Saudi Arabia

My research focuses on understanding the origin and diversity of the genus Crocus (Iridaceae), with particular emphasis on a triploid sterile plant, Crocus sativus (2n=3x=24) that yields Saffron, one of the most expensive spices on earth. The saffron is the … Continue reading

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Dr Ijaz Rasool Noorka – Collaborator from University of Sargodha, Pakistan and Visiting Research Fellow

Dr Ijaz Rasool Noorka has broad interests in the development of productive and sustainable agriculture for Pakistan and developing countries. His interests complement those of the Molecular Cytogenetics Group, and have enabled us to extend our consideration of the outcomes … Continue reading

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Alien chromosome introgression transferring characters into bread wheat

In situ hybridization is now widely used to identify the nature and size of chromosome, chromosome arm and chromosome segment introgressions from alien or wild species in plant breeding lines. The molecular cytogenetics research group has several projects investigating introgression … Continue reading

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Genetic stability or variation in oil palm tissue culture

301. Madon M, Heslop-Harrison JS, Schwarzacher T, Hashim AT. 2012. Analysis of oil palm calli and regenerants using flow and image cytometry and 18S-25S ribosomal DNA fluorescence in situ hybridisation (FISH). Journal of Oil Palm Research  24 (April): 1318-1329 Open Access Journal site. local copy … Continue reading

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New molecular cytogenetics group homepage at molcyt.com

I’ve released our new design for the http://www.molcyt.com website. Like many other people with websites designed 5 years ago, the old design was very “Web 1.0” with no feedbacks, social media links or other active content. And updates had been … Continue reading

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Plant nuclear genome composition

299. Heslop-Harrison, JS (Pat); and Schmidt, T (August 2012) Plant Nuclear Genome Composition. In: eLS 2012, John Wiley & Sons Ltd: Chichester http://www.els.net/ Author-prepared preprint linked here. Subscription DOI:  http://onlinelibrary.wiley.com/doi/10.1002/9780470015902.a0002014.pub2/abstract (but this link seems not to work: http://dx.doi.org/10.1002/9780470015902.a0002014.pub2 Nov 2012). Intranet: http://www.le.ac.uk/biology/phh4/HHpubs/ELS_PlantGenomes_SchmidtHH.pdf due Nov 2012). The … Continue reading

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Welcome to the MolCyt Molecular Cytogenetics blog

Welcome to the Molecular Cytogenetics http://www.MolCyt.org blog site. This blog feeds to the http://www.molcyt.com website and provides updates. Blog posts are in categories of Publications,  Research, People/Collaborators, Conferences, Teaching, Social Media, Editing, Methods, and News/Press.

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