ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik1993
Non-random chloroplast segregation inNicotiana tabacum (+)N. rustica somatic hybrids selected by dual nuclear-encoded resistance.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 1993. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 10 citations in OpenAlex.
- Rare symmetric and asymmetric Nicotiana tabacum (+) N. megalosiphon somatic hybrids recovered by selection for nuclear-encoded resistance genes and in the absence of genome inactivation.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 1995Article
- Random chloroplast segregation and frequent mtDNA rearrangements in fertile somatic hybrids between Nicotiana tabacum L. and N. glutinosa L.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 1994Article
- Production and characterization of asymmetric somatic hybrids between Arabidopsis thaliana and Brassica napus.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 1993Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Nicotiana tabacum (+)N. rustica interspecific somatic hybrids were produced by fusion of leaf mesophyll protoplasts of transgenic methotrexate-resistantNicotiana tabacum L. with leaf mesophyll protoplasts of transgenic kanamycin-resistantN. rustica L. Somatic hybrids were selected on the basis of resistance to both methotrexate and kanamycin. Evidence for nuclear hybridization was obtained for 21 hybrids by restriction-fragment-length-polymorphism (RFLP) analysis using a heterologous wheat nuclear ribosomal-DNA (rDNA) probe and by analysis of glutamate-oxaloacetate transaminase (GOT) isoenzymes. Chloroplasts segregated non-randomly as 20 of the somatic hybrids possessedN. rustica chloroplasts and only one hadN. tabacum chloroplasts. Patterns of mitochondrial inheritance were examined by hybridization of a heterologous wheat cytochrome oxidase subunit II (coxII) gene with genomic DNA of the somatic hybrids. Four somatic hybrids with hybridization patterns similar toN. rustica and 17 with hybridization patterns consistent with mitochondrial DNA (mtDNA) rearrangement or recombination were obtained. None of the somatic hybrids had patterns ofcoxll hybridization identical withN. tabacum. Male-fertility levels in the hybrids ranged from undetectable to 87% and only nine hybrids produced a limited amount of viable seed. There was no apparent correlation between the patterns of organelle inheritance in the somatic hybrids and the relative degree of fertility.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.