Polyploidy and interspecific hybridisation: partners for adaptation, speciation and evolution in plants

337. Alix K, Gérard PR, Schwarzacher T, Heslop-Harrison JS. 2017. Polyploidy and interspecific hybridisation: partners for adaptation, speciation and evolution in plants. Annals of Botany 120(2): 183-194. https://doi.org/10.1093/aob/mcx079  (Free access). Polyploidy, defined as whole genome duplication, is present in almost all lineages of higher plants, with multiple rounds of polyploidy occurring in most extant species. This Annals…

Polyploidy and interspecific hybridisation: partners for adaptation, speciation and evolution in plants

337. Alix K, Gérard PR, Schwarzacher T, Heslop-Harrison JS. 2017. Polyploidy and interspecific hybridisation: partners for adaptation, speciation and evolution in plants. Annals of Botany 120: 183–194. https://dx.doi.org/10.1093/aob/mcx079 (freely available) Author version (free to post) to come. Figure 1 showing polyploidy or WGD whole genome duplication events in plant evolution is here AlixSchwarzacherHeslopHarrisonPlantEvolutionPolyploidyWGDAnnalsBotany (Powerpoint format) Background. Polyploidy or whole…

Introgression of chromosome segments from multiple alien species in wheat breeding lines with wheat streak mosaic virus resistance

324. Ali N, Heslop-Harrison JS, Ahmad H, Graybosch RA, Hein GL, Schwarzacher T. 2016. Introgression of chromosome segments from multiple alien species in wheat breeding lines with wheat streak mosaic virus resistance. Heredity (2016) 117, 114–123; published online 1 June 2016 doi:10.1038/hdy.2016.36 Author version: N_Ali_et al 2016 Multiple Alien Introgressions in Wheat Publisher site: http://www.nature.com/hdy/journal/vaop/ncurrent/pdf/hdy201636a.pdf Pyramiding of…

Analysis of Petunia vein clearing virus (PVCV) sequences, retroelements and tandem repeats in Petunia axillaris N and P. inflata S6

325a. Schwarzacher T, Heslop-Harrison JS, Richert-Pöggeler KR. 2016. Analysis of Petunia vein clearing virus (PVCV) sequences, retroelements and tandem repeats in Petunia axillaris N and P. inflata S6. Supplementary manuscript 2. Nature Plants 2: article number 16074. Link to manuscript: Petunia_PVCV_Repeats_SchwarzacherEtAl2016 Within the genome sequence assemblies of P. axillaris (PaxiN) and P. inflata (PinfS6) and unassembled reads, we…

Intergeneric hybridisation between Berula erecta and Helosciadium nodiflorum (Apiaceae)

TS. Desjardins SD, Leslie AC, Stace CA, Schwarzacher T,  Bailey JP. 2015. Intergeneric hybridisation between Berula erecta and Helosciadium nodiflorum (Apiaceae). Taxon 64: 784-794. DOI: 10.12705/644.9 Publisher link££ Author version Intergeneric hybridisation A hybrid between Berula erecta and Helosciadium nodiflorum is reported from Chippenham Fen National Nature Reserve (NNR), Cambridgeshire, England. Parentage was investigated using chromosome counts, a maternally-inherited chloroplast marker…

Evolutionary genomics of miniature inverted-repeat transposable elements (MITEs) in Brassica

317. Nouroz F, Noreen S, Heslop-Harrison JS. 2015. Evolutionary genomics of miniature inverted-repeat transposable elements (MITEs) in Brassica. Molecular Genetics and Genomics (MGG) 290 (6): 2297–2312. DOI: 10.1007/s00438-015-1076-9 Brassica MITEs Author Version MGG download Miniature inverted-repeat transposable elements (MITEs) are truncated derivatives of autonomous DNA transposons, and are dispersed abundantly in most eukaryotic genomes. We aimed to characterize various MITEs families…

Chromosomal evolution in Brachiaria forage grasses with Fabiola Carvalho Santos

Fabiola Santos from University of Londrina, Brazil, is working on the Chromosomal evolution and the organization of repetitive DNA sequences in diploid and polyploid Brachiaria forage grasses in the molecular cytogenetics group in Leicester. Brachiaria is most important cultivated forage grass genus in Brazil (with billion-dollar production), and the genus includes diploid and polyploid species with similar…

An Overview of Peanut Genome Structure

308. DJ Bertioli, ACG Araujo, S Nielen, P Heslop-Harrison, PM Guimarães, T Schwarzacher, S Isobe, K Shirasawa, Leal-Bertioli SCM. 2014. An overview of peanut genome structure. Chapter 6 in Genetics, Genomics and Breeding of Peanuts. Eds Nalini Mallikarjuna, Rajeev K. Varshney. Peanut genome structure manuscript Author Version pp. 114-138. CRC Press, Florida. http://www.crcnetbase.com/doi/abs/10.1201/b16872-7 ABSTRACT Cultivated peanut (Arachis hypogaea…

The origin of an old, resource-efficient crop, Broomcorn millet or Panicum miliaceum

307. Hunt HV, Badakshi F, Romanova O, Howe CJ, Jones M, Heslop-Harrison JS. 2014. Reticulate evolution in Panicum (Poaceae): the origin of tetraploid broomcorn millet, P. miliaceum. Journal of Experimental Botany 65 (12), 3165-3175.  DOI:10.1093/jxb/eru161 . (Link to local copy J. Exp. Bot.-2014-Hunt-3165-75) Panicum miliaceum (broomcorn millet) is a tetraploid cereal which was among the first domesticated crops, but is now a minor…