Search Results - "triploid"

Traditional banana diversity in Oceania: an endangered heritage by Kagy, V., Wong, M., Vandenbroucke, H., Jenny, C., Dubois, C., Ollivier, A., Cardi, C., Mournet, P., Tuia, V.S., Roux, N., Doležel, Jaroslav, Perrier, Xavier

“…It is concluded that the diffusion of Pacific starchy AAB bananas results from a series of introductions of triploids originating in New Guinea area from several sexual recombination events implying different genotypes of M. acuminata ssp. banksii. …”
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Transcriptomic profiling in Musa: a look into processes affected by mild osmotic stress in the root tip by Zorrilla-Fontanesi, Yasmín, Rouard, M., Cenci, A., Kissel, E., Do, H., Dubois, E., Nidelet, S., Roux, N., Swennen, Rony L., Carpentier, Sebastien C.

“…We performed large-scale transcriptome sequencing using Illumina technology on root tissue of three triploid genotypes representing well known cultivars and focused on the identification of genes with an altered expression pattern under mild osmotic stress (3 days after 5% PEG treatment). …”
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DArT whole genome profiling provides insights on the evolution and taxonomy of edible Banana (Musa spp.) by Sardos, J., Perrier, Xavier, Doležel, Jaroslav, Hribova, E., Christelova, P., Houwe, Ines van den, Kilian, Andrzej, Roux, N.

“…A wide diversity of diploid and triploid cultivars including AA, AB, AS, AT, AAA, AAB, ABB, AAS and AAT genomic constitutions exists. …”
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Integrative taxonomy of root-knot nematodes reveals multiple independent origins of mitotic parthenogenesis by Janssen, T., Karssen, G., Topalovic, O., Coyne, Danny L., Bert, W.

“…Cytogenetic information indicates M. africana (2n = 21) and M. ardenensis (2n = 51-54) to be a triploid mitotic parthenogenetic species, revealing at least four independent origins of mitotic parthenogenesis within the genus Meloidogyne. …”
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Conventional breeding strategies to enhance the sustainability of Musa biodiversity conservation for endemic cultivars on farm by Pillay, M., Ssebuliba, R., Hartman, J., Vuylsteke, D.R., Talengera, D., Tushemereirwe, Wilberforce K.

“…Banana breeding at the International Institute of Tropical Agriculture (IITA) involves crossing triploid (3x) landraces with diploid (2x) accessions to produce tetraploid (4x) hybrids. …”
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Identification of the genomic constitution of Musa L. lines (bananas, plantains and hybrids) using molecular cytogenetics by Osuji, J., Harrison, G., Crouch, J., Heslop-Harrison, J.S.

“…In situ hybridization of labelled A and B genomic DNA to metaphase chromosomes of triploid AAB and ABB cultivars discriminated between A and B genome chromosomes. …”
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PCRRFLP of the ribosomal DNA internal transcribed spacers (ITS) provides markers for the A and B genomes in Musa L. by Nwakanma, D.C., Pillay, M., Okoli, B.E., Tenkouano, A.

“…Musa acuminata Colla (AA genomes) and Musa balbisiana Colla (BB genomes) are the diploid ancestors of modern bananas that are mostly diploid or triploid cultivars with various combinations of the A and B genomes, including AA, AAA, BB, AAB and ABB. …”
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Tetraploidization events by chromosome doubling of nucellar cells are frequent in apomictic citrus and are dependent on genotype and environment by Aleza, Pablo, Froelicher, Yann, Schwarz, Sergio, Agustí, Manuel, Hernández, María, Juárez, José, Luro, Francois, Morillon, Raphael, Navarro, Luis, Ollitrault, Patrick

“…Tetraploid genotypes arising from chromosome doubling of apomictic citrus are extensively being used as parents in breeding programmes to develop seedless triploid cultivars and have potential direct use as new rootstocks.…”
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Tetraploid citrus progenies arising from FDR and SDR unreduced pollen in 4x X 2x hybridizations by Rouiss, Houssem, Cuenca, José, Navarro, Luis, Ollitrault, Patrick, Aleza, Pablo

“…Polyploid citrus arise by somatic and sexual polyploidization, and both have been used in triploid breeding programs. Sexual polyploidization ismainly achieved by firstdivision restitution (FDR) or second-division restitution (SDR) meiotic restitution mechanisms. …”
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Fine Mapping for Identification of Citrus Alternaria Brown Spot Candidate Resistance Genes and Development of New SNP Markers for Marker-Assisted Selection by Cuenca, José, Aleza, Pablo, García-Lor, Andrés, Ollitrault, Patrick, Navarro, Luis

“…This new marker is currently used in our citrus breeding program for ABS-resistant parent and cultivar selection, at diploid, triploid and tetraploid level.…”
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Musa balbisiana genome reveals subgenome evolution and functional divergence by Zhang, J., Li, J., Xu, Y., Wang, J., Ma, W., Wu, Z., Yu, L., Yang, Y., Liu, C., Guo, Y., Sun, S., Baurens, F.C., Martin, G., Salmon, F., Garsmeur, O., Yahiaoui, N., Hervouet, C., Rouard, M., Laboureau, N., Habas, R., Ricci, S., Peng, M., Guo, A., Xie, J., Li, Y., Ding, Z., Yan, Y., Tie, W., D’Hont, Angélique, Hu, W., Jin, Z.

“…Banana cultivars (Musa ssp.) are diploid, triploid and tetraploid hybrids derived from Musa acuminata and Musa balbisiana. …”
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Significant progressive heterobeltiosis in banana crossbreeding by Batte, M., Nyine, M., Uwimana, Brigitte, Swennen, Rony L., Akech, V., Brown, A., Hovmalm, H.P., Geleta, M., Ortíz, R.

“…Most (all except 4) NARITAs exhibited positive heterobeltiosis for bunch weight, whereas slightly more than half of them had negative heterobeltiosis for stature. The secondary triploid NARITA 17 had the highest heterobeltiosis for bunch weight: 249% versus its ‘Matooke’ grandparent and 136% against its primary tetraploid parent. …”
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Genetic identity in genebanks: application of the SolCAP 12K SNP array in fingerprinting and diversity analysis in the global in trust potato collection by Ellis, David, Chavez, O., Coombs, J., Soto, J., Gómez, R., Douches, D., Panta, A., Silvestre, R., Anglin, Noelle L.

“…Phylogenetic analyses suggest that the triploids included in this study are genetically similar. …”
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Taxonomy and new collections of wild potato species in Central and Southern Peru in 1999 by Salas, Alberto R., Huamán, Zósimo, Hijmans, Robert J., Torres Maita, Rafael Vinci, Hoesktra, Roel, Schüler, Konrad

“…In addition, chromosome counts are provided for 134 accessions from the 1998 and 1999 expeditions, including first reports forS. chomatophilum var. subnivale (2n = 2x = 24),S. megistacrolobum subsp.purpureum (2n = 2x = 24), andS. multiinterruptum var.multiinterruptum f.albiflorum (2n = 2x = 24); we also report the first triploid count of an accession ofS. immite.…”
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Farmers’ preferences for east African highland cooking banana ’Matooke’ hybrids and local cultivars by Madalla, N., Swennen, R., Brown, A., Carpentier, Sebastien C., Bergh, I. van den, Crichton, R.J., Marimo, Pricilla, Weltzien, Eva, Massawe, C., Shimwela, M., Mbongo, D., Kindimba, Grace, Kubiriba, Jerome, Tumuhimbise, Robooni, Okurut, A.W., Cavicchioli, M., Ortíz, R.

“…Methods The participatory varietal selection approach for preference ranking was used on 31 'Matooke' secondary and primary triploid hybrids and local banana cultivars evaluated between 2016 and 2019 in Uganda and Tanzania to investigate how farmers' preference attributes could help breeders identify superior cultivars. …”
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Pollen amount and viability in Mchare and selected wild (AA) banana (Musa acuminata) genotypes: prospects for breeding by Bayo, S.J., Massawe, V., Ndakidemi, P.A., Venkataramana, K., Mlaki, A., Mduma, H., Jomanga, K., Swennen, R., Brown, A.

“…Mchare cultivars are also the only known surviving representatives of a diploid banana subgroup that contributed unreduced gametes to many of the most widely grown and successful triploid dessert bananas (‘Cavendish’, ‘Gros-Michel’, ‘Silk’, and ‘Prata’). …”
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Genetic mapping, candidate gene identification and marker validation for host plant resistance to the race 4 of Fusarium oxysporum f. sp. cubense using Musa acuminata ssp. malaccen... by Chen, A., Sun, J., Viljoen, A., Mostert, D., Xie, Y., Mangila, L., Bothma, S., Lyons, R., Hřibová, E., Christelova, P., Uwimana, Brigitte, Amah, D., Pearce, S.C., Chen, N., Batley, J., Edwards, D., Doležel, J., Crisp, P., Brown, A., Martin, G., Yahiaoui, N., D’Hont, Angélique, Coin, L., Swennen, R., Aitken, E.A.B.

“…Additional screening in the International Institute for Tropical Agriculture’s collection suggests that the dominant allele is common among the elite ‘Matooke’ NARITA hybrids, as well as in other triploid or tetraploid hybrids derived from East African highland bananas. …”
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Promiscuous potato: elucidating genetic identity and the complex genetic relationships of a cultivated potato germplasm collection by Anglin, N.L., Chavez, O., Torres, J.S., Gomez, R., Panta, A., Vollmer, R., Durand, M., Meza, C., Azevedo, V.C.R., Manrique, N., Kauth, P., Coombs, J.J., Douches, D.S., Ellis, D.

“…A total of 3,860 accessions from the global in trust clonal potato germplasm collection w3ere genotyped with the Illumina Infinium SolCAP V2 12K potato SNP array to evaluate genetic diversity and population structure within the potato germplasm collection. Diploid, triploid, tetraploid, and pentaploid accessions were included representing the cultivated potato taxa. …”
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Drone aggregation behavior in the social wasp Vespula germanica (Hymenoptera: Vespidae): Effect of kinship and density by Masciocchi, Maite, Angeletti, Bárbara, Corley, Juan Carlos, Martinez Von Ellrich, Andres

“…In the eusocial Hymenoptera, related individuals typically share a common nest and have relatively short mating periods, this could lead to inbreeding, and because of their single–locus complementary sex determination system, it may generate diploid males that could result in infertile triploid progeny representing a cost for the colony. …”
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Male fertility and zygotic embryo germination in bananas by Luyiga, J.

“…In banana breeding, both seed set and seed germination are low, especially in triploid and tetraploid bananas. To improve germination, embryos are extracted from seeds and cultured in vitro. …”
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