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Munasinghe M, Ågren JA. When and why are mitochondria paternally inherited? Curr Opin Genet Dev 2023; 80:102053. [PMID: 37245242 DOI: 10.1016/j.gde.2023.102053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/17/2023] [Accepted: 04/26/2023] [Indexed: 05/30/2023]
Abstract
In contrast with nuclear genes that are passed on through both parents, mitochondrial genes are maternally inherited in most species, most of the time. The genetic conflict stemming from this transmission asymmetry is well-documented, and there is an abundance of population-genetic theory associated with it. While occasional or aberrant paternal inheritance occurs, there are only a few cases where exclusive paternal inheritance of mitochondrial genomes is the evolved state. Why this is remains poorly understood. By examining commonalities between species with exclusive paternal inheritance, we discuss what they may tell us about the evolutionary forces influencing mitochondrial inheritance patterns. We end by discussing recent technological advances that make exploring the causes and consequences of paternal inheritance feasible.
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Affiliation(s)
- Manisha Munasinghe
- Department of Plant and Microbial Biology, University of Minnesota, St. Paul, MN, USA. https://twitter.com/@ManishaMuna
| | - J Arvid Ågren
- Department of Evolutionary Biology, Uppsala University, Uppsala, Sweden; Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH, USA.
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2
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Mandel JR, Ramsey AJ, Holley JM, Scott VA, Mody D, Abbot P. Disentangling Complex Inheritance Patterns of Plant Organellar Genomes: An Example From Carrot. J Hered 2021; 111:531-538. [PMID: 32886780 DOI: 10.1093/jhered/esaa037] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 08/31/2020] [Indexed: 01/05/2023] Open
Abstract
Plant mitochondria and plastids display an array of inheritance patterns and varying levels of heteroplasmy, where individuals harbor more than 1 version of a mitochondrial or plastid genome. Organelle inheritance in plants has the potential to be quite complex and can vary with plant growth, development, and reproduction. Few studies have sought to investigate these complicated patterns of within-individual variation and inheritance using experimental crosses in plants. We carried out crosses in carrot, Daucus carota L. (Apiaceae), which has previously been shown to exhibit organellar heteroplasmy. We used mitochondrial and plastid markers to begin to disentangle the patterns of organellar inheritance and the fate of heteroplasmic variation, with special focus on cases where the mother displayed heteroplasmy. We also investigated heteroplasmy across the plant, assaying leaf samples at different development stages and ages. Mitochondrial and plastid paternal leakage was rare and offspring received remarkably similar heteroplasmic mixtures to their heteroplasmic mothers, indicating that heteroplasmy is maintained over the course of maternal inheritance. When offspring did differ from their mother, they were likely to exhibit a loss of the genetic variation that was present in their mother. Finally, we found that mitochondrial variation did not vary significantly over plant development, indicating that substantial vegetative sorting did not occur. Our study is one of the first to quantitatively investigate inheritance patterns and heteroplasmy in plants using controlled crosses, and we look forward to future studies making use of whole genome information to study the complex evolutionary dynamics of plant organellar genomes.
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Affiliation(s)
- Jennifer R Mandel
- Department of Biological Sciences, The University of Memphis, Memphis, TN, USA.,Center for Biodiversity Research, The University of Memphis, Memphis, TN, USA
| | - Adam J Ramsey
- Department of Biological Sciences, The University of Memphis, Memphis, TN, USA
| | - Jacob M Holley
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
| | - Victoria A Scott
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
| | - Dviti Mody
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
| | - Patrick Abbot
- Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA
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3
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Tchórzewska D. Chondriokinesis during microsporogenesis in plants. PLANTA 2017; 246:1-18. [PMID: 28484865 PMCID: PMC5486550 DOI: 10.1007/s00425-017-2706-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2017] [Accepted: 04/29/2017] [Indexed: 05/07/2023]
Abstract
MAIN CONCLUSION Chondriokinesis represents a highly orchestrated process of organelle rearrangement in all dividing plant and animal cells, ensuring a proper course of karyokinesis and cytokinesis. This process plays a key role in male gametophyte formation. Chondriokinesis is a regular rearrangement of cell organelles, assuring their regular inheritance, during both mitotic and meiotic divisions in plant and animal cells. The universal occurrence of the process implies its high conservatism and its probable origin at an early stage of plant evolution. The role of chondriokinesis is not only limited to segregation of cell organelles into daughter cells, but also prevention of fusion of karyokinetic spindles and delineation of the cell division plane. Thus, chondriokinesis plays an indispensable role in mitosis and meiosis as one of the various factors in harmonised cell division, being a key process in the formation of viable cells. Therefore, disturbances in this process often result in development of abnormal daughter cells. This has far-reaching consequences for the meiotic division, as emergence of abnormal generative cells impedes sexual reproduction in plants. This review is focused on microsporogenesis, because various plants exhibit a problem with sexual reproduction caused by male sterility. In this paper for the first time in almost 100 years, it is presented a compilation of data on chondriokinesis proceeding during microsporogenesis in plants, and providing view of the role, mechanism, and classification of this process in male gametophyte formation.
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Affiliation(s)
- Dorota Tchórzewska
- Department of Plant Anatomy and Cytology, Maria Curie-Skłodowska University, Akademicka 19 Street, 20-033, Lublin, Poland.
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4
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Mazer SJ, Gorchov DL. PARENTAL EFFECTS ON PROGENY PHENOTYPE IN PLANTS: DISTINGUISHING GENETIC AND ENVIRONMENTAL CAUSES. Evolution 2017; 50:44-53. [PMID: 28568869 DOI: 10.1111/j.1558-5646.1996.tb04471.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/1993] [Accepted: 09/06/1994] [Indexed: 11/29/2022]
Abstract
The experimental measurement of additive genetic variation in plant populations is complicated by the potential for non-Mendelian inheritance. Maternal influences on progeny phenotype resulting from the cytoplasmic inheritance of plastids or RNA transcripts and effects of the maternal environment have consequently been the focus of much research. To exclude or to control for these sources of variation, breeding designs (e.g., cross-factored, nested, or diallel) in which genetically unrelated pollen donors are mated to maternal genotypes have been adopted. Using these designs, some empirical studies have detected statistically significant differences among pollen donors in the mean performance of their pollen (the mature male gametophytes) or in the mean phenotype of their progeny. These statistical effects of pollen-donor identity on pollen performance or progeny phenotype have frequently been interpreted as evidence for additive genetic variance among pollen donors, although patrilineal cytoplasmic inheritance or effects of the paternal environment on pollen performance or gene expression are recognized as alternative explanations. We note that environment-specific selection among developing gametophytes-in which the environment experienced by developing pollen grains (or ovules) provides a selective force causing the differential survival of gametophyte genotypes (analagous to meiotic drive)-is an additional process that may cause genetically based paternal (or maternal) effects on gametophyte performance. If genes selected during this process are expressed in the sporophyte (postfertilization), this process could also influence the phenotype of the diploid progeny. Here, we review the potential causes of statistically significant differences in mean phenotype among the gametophytes or progeny of maternal (seed-bearing) or paternal (pollen-donating) parental plants. We suggest an experimental approach that permits the detection or elimination of selection among developing gametophytes as one such cause. Specifically, the replication of homozygous parental genotypes within and across environments allows the detection and measurement of paternal and maternal environmentally induced effects on gametophyte or offspring phenotype, while eliminating meiotic drive as a source of the phenotypic variation.
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Affiliation(s)
- Susan J Mazer
- Department of Biological Sciences, University of California, Santa Barbara, California, 93106
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5
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Simms EL, Triplett JK. PATERNAL EFFECTS IN INHERITANCE OF A PATHOGEN RESISTANCE TRAIT IN
IPOMOEA PURPUREA. Evolution 2017; 50:2178-2186. [DOI: 10.1111/j.1558-5646.1996.tb03608.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/1995] [Accepted: 04/05/1996] [Indexed: 11/30/2022]
Affiliation(s)
- Ellen L. Simms
- Department of Ecology and Evolution The University of Chicago 1101 East 57th Street Chicago Illinois 60637
- Department of Biology, Box 7325 Reynolda Station Wake Forest University Winston‐Salem North Carolina 27109
| | - Jim K. Triplett
- Department of Biology, Box 7325 Reynolda Station Wake Forest University Winston‐Salem North Carolina 27109
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6
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Mandel JR, Ramsey AJ, Iorizzo M, Simon PW. Patterns of Gene Flow between Crop and Wild Carrot, Daucus carota (Apiaceae) in the United States. PLoS One 2016; 11:e0161971. [PMID: 27603516 PMCID: PMC5014312 DOI: 10.1371/journal.pone.0161971] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 08/15/2016] [Indexed: 11/18/2022] Open
Abstract
Studies of gene flow between crops and their wild relatives have implications for both management practices for cultivation and understanding the risk of transgene escape. These types of studies may also yield insight into population dynamics and the evolutionary consequences of gene flow for wild relatives of crop species. Moreover, the comparison of genetic markers with different modes of inheritance, or transmission, such as those of the nuclear and chloroplast genomes, can inform the relative risk of transgene escape via pollen versus seed. Here we investigate patterns of gene flow between crop and wild carrot, Daucus carota (Apiaceae) in two regions of the United States. We employed 15 nuclear simple sequence repeat (SSR) markers and one polymorphic chloroplast marker. Further, we utilized both conventional population genetic metrics along with Shannon diversity indices as the latter have been proposed to be more sensitive to allele frequency changes and differentiation. We found that populations in both regions that were proximal to crop fields showed lower levels of differentiation to the crops than populations that were located farther away. We also found that Shannon measures were more sensitive to differences in both genetic diversity and differentiation in our study. Finally, we found indirect evidence of paternal transmission of chloroplast DNA and accompanying lower than expected levels of chloroplast genetic structure amongst populations as might be expected if chloroplast DNA genes flow through both seed and pollen. Our findings of substantial gene flow for both nuclear and chloroplast markers demonstrate the efficiency of both pollen and seed to transfer genetic information amongst populations of carrot.
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Affiliation(s)
- Jennifer R. Mandel
- Department of Biological Sciences, The University of Memphis, Memphis, Tennessee, United States of America
- W. Harry Feinstone Center for Genomic Research, The University of Memphis, Memphis, Tennessee, United States of America
- * E-mail:
| | - Adam J. Ramsey
- Department of Biological Sciences, The University of Memphis, Memphis, Tennessee, United States of America
| | - Massimo Iorizzo
- Plants for Human Health Institute, Department of Horticultural Science, North Carolina State University, Kannapolis, North Carolina, United States of America
| | - Philipp W. Simon
- USDA-Agricultural Research Service, Vegetable Crops Unit, University of Wisconsin-Madison, Wisconsin, United States of America
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7
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Dubey MK, Shasany AK, Dhawan OP, Shukla AK, Khanuja SPS. AFLP studies on downy-mildew-resistant and downy-mildew-susceptible genotypes of opium poppy. J Genet 2010; 89:9-19. [PMID: 20505242 DOI: 10.1007/s12041-010-0015-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Downy mildew (DM) caused by Peronospora arborescens, is a serious disease in opium poppy (Papaver somniferum), which has a world-wide spread. The establishment of DM-resistant cultivars appears to be a sustainable way to control the In this paper, we present the results of a study aimed at the identification of amplified fragment length polymorphism (AFLP) markers for DM-resistance in opium poppy. Three opium poppy genotypes (inbred over about 10 years): Pps-1 (DM-resistant), Jawahar-16 (DM-susceptible) and H-9 (DM-susceptible) were crossed in a diallel manner and the F(1) progeny along with the parents were subjected to AFLP analysis of chloroplast (cp) and nuclear DNA with seven and nine EcoRI / MseI primer combinations, respectively. cpDNA AFLP analysis identified 24 Pps-1 (DM-resistant)-specific unique fragments that were found to be maternally inherited in both the crosses, Pps-1 x Jawahar-16 and Pps-1 x H-9. In the case of nuclear DNA AFLP analysis, it was found that 17 fragments inherited from Pps-1 were common to the reciprocal crosses of both (i) Pps-1 and Jawahar-16 as well as (ii) Pps-1 and H-9. This is the first molecular investigation on the identification of polymorphism between DM-resistant and DM-susceptible opium poppy genotypes and development of DM-resistant opium poppy genotypespecific AFLP markers. These AFLP markers could be used in future genetic studies for analysis of linkage to the downy mildew resistance trait.
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Affiliation(s)
- Mukesh K Dubey
- Genetics and Plant Breeding Division, Central Institute ofMedicinal and Aromatic Plants (CSIR), P.O. CIMAP, Lucknow 226 015, India
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Nagata N. Mechanisms for independent cytoplasmic inheritance of mitochondria and plastids in angiosperms. JOURNAL OF PLANT RESEARCH 2010; 123:193-9. [PMID: 20196234 DOI: 10.1007/s10265-009-0293-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The inheritance of mitochondria and plastids in angiosperms has been categorized into three modes:maternal, biparental and paternal. Many mechanisms have been proposed for maternal inheritance, including: (1) physical exclusion of the organelle itself during pollenmitosis I (PMI); (2) elimination of the organelle by formation of enucleated cytoplasmic bodies (ECB); (3) autophagic degradation of organelles during male gametophyte development; (4) digestion of the organelle after fertilization; and (5)--the most likely possibility--digestion of organellar DNA in generative cells just after PMI. In detailed cytological observations, the presence or absence of mitochondrial and plastid DNA in generative cells corresponds to biparental/paternal inheritance or maternal inheritance of the respective organelle examined genetically. These improved cytological observations demonstrate that the replication or digestion of organellar DNA in young generative cells just after PMI is a critical point determining the mode of cytoplasmic inheritance. This review describes the independent control mechanisms in mitochondria and plastids that lead to differences in cytoplasmic inheritance in angiosperms.
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Affiliation(s)
- Noriko Nagata
- Department of Chemical Biological Science, Faculty of Science, Japan Women's University, 2-8-1 Mejirodai, Bunkyo-ku, Tokyo 112-8681, Japan.
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9
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Hansen AK, Escobar LK, Gilbert LE, Jansen RK. Paternal, maternal, and biparental inheritance of the chloroplast genome in Passiflora (Passifloraceae): implications for phylogenetic studies. AMERICAN JOURNAL OF BOTANY 2007; 94:42-6. [PMID: 21642206 DOI: 10.3732/ajb.94.1.42] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Patterns of inheritance of the chloroplast genome in Passiflora were analyzed by examining the progeny from both interspecific and intraspecific crosses. Artificial crosses of field-collected material were performed in greenhouses at The University of Texas at Austin. DNA from fresh leaf material was analyzed by Southern blot techniques to identify the donor of the chloroplast genome. Initially, single progeny were analyzed for 11 crosses; two intraspecific crosses demonstrated maternal inheritance, whereas the nine interspecific crosses had paternal inheritance. Subsequently, the donor of the chloroplast genome was determined for multiple progeny in seven crosses. Passiflora oerstedii × P. retipetala showed strict paternal inheritance in all of 17 progeny. A series of five crosses and backcrosses between P. oerstedii and P. menispermifolia demonstrated strictly paternal inheritance. Finally, when 15 progeny were analyzed for the P. costaricensis × P. costaricensis cross, 12 of the 15 showed maternal inheritance, whereas the remaining three were biparental. Interestingly, all interspecific crosses had primarily paternal inheritance, whereas all intraspecific crosses had primarily maternal inheritance. The implications of heteroplasmy on phylogenetic analyses of chloroplast DNA are discussed.
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Affiliation(s)
- A Katie Hansen
- Section of Integrative Biology, The University of Texas, Austin, Texas 78712 USA
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10
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Kita K, Kurashige Y, Yukawa T, Nishimura S, Handa T. Plastid Inheritance and Plastome-genome Incompatibility of Intergeneric Hybrids between Menziesia and Rhododendron. ACTA ACUST UNITED AC 2005. [DOI: 10.2503/jjshs.74.318] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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11
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Cafasso D, Cozzolino S, Caputo P, Luca PD. Maternal inheritance of plastids in Encephalartos Lehm. (Zamiaceae, Cycadales). Genome 2001. [DOI: 10.1139/g01-005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The mode of inheritance of chloroplast DNA has been determined in Encephalartos by employing a restriction fragment length polymorphism analysis of chloroplast DNA. Artificial F1 hybrids were produced between a female specimen of E. natalensis and a male specimen of E. woodii. The hybridization patterns of all hybrids correspond, in all cases, with that of E. natalensis, and are different from that of E. woodii, thus indicating the maternal inheritance of cpDNA in cycads.Key words: chloroplast DNA, maternal inheritance, restriction fragment length polymorphism (RFLP), cycads, Encephalartos.
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12
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Orive ME, Asmussen MA. The effects of pollen and seed migration on nuclear-dicytoplasmic systems. II. A new method for estimating plant gene flow from joint nuclear-cytoplasmic data. Genetics 2000; 155:833-54. [PMID: 10835403 PMCID: PMC1461120 DOI: 10.1093/genetics/155.2.833] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
A new maximum-likelihood method is developed for estimating unidirectional pollen and seed flow in mixed-mating plant populations from counts of joint nuclear-cytoplasmic genotypes. Data may include multiple unlinked nuclear markers with a single maternally or paternally inherited cytoplasmic marker, or with two cytoplasmic markers inherited through opposite parents, as in many conifer species. Migration rate estimates are based on fitting the equilibrium genotype frequencies under continent-island models of plant gene flow to the data. Detailed analysis of their equilibrium structures indicates when each of the three nuclear-cytoplasmic systems allows gene flow estimation and shows that, in general, it is easier to estimate seed than pollen migration. Three-locus nuclear-dicytoplasmic data only increase the conditions allowing seed migration estimates; however, the additional dicytonuclear disequilibria allow more accurate estimates of both forms of gene flow. Estimates and their confidence limits for simulated data sets confirm that two-locus data with paternal cytoplasmic inheritance provide better estimates than those with maternal inheritance, while three-locus dicytonuclear data with three modes of inheritance generally provide the most reliable estimates for both types of gene flow. Similar results are obtained for hybrid zones receiving pollen and seed flow from two source populations. An estimation program is available upon request.
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Affiliation(s)
- M E Orive
- Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence 66045-2106, USA.
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14
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Dumolin S, Demesure B, Petit RJ. Inheritance of chloroplast and mitochondrial genomes in pedunculate oak investigated with an efficient PCR method. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 1995; 91:1253-6. [PMID: 24170054 DOI: 10.1007/bf00220937] [Citation(s) in RCA: 182] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/1995] [Accepted: 06/23/1995] [Indexed: 05/02/2023]
Abstract
The restriction patterns of two chloroplast fragments and one mitochondrial DNA fragment, amplified by PCR with universal primers, were studied to determine the mode of inheritance of these organelles in 143 progeny of five intraspecific crosses in pedunculate oak (Quercus robur L.). The results indicate that both genomes are maternally inherited, an observation which agrees with the commonly observed pattern of inheritance in angiosperms. They confirm that both chloroplast DNA and mitochondrial DNA can be used as a source of seed-specific markers for the study of the geographic structure of oaks. This is the first report of organelle inheritance within the Fagaceae, an important and widespread tree family.
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Affiliation(s)
- S Dumolin
- INRA, Laboratoire de génétique et d'amélioration des arbres forestiers, F-33611, Gazinet Cedex, France
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15
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Steinborn R, Linke B, Nothnagel T, Börner T. Inheritance of chloroplast and mitochondrial DNA in alloplasmic forms of the genus Daucus. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 1995; 91:632-638. [PMID: 24169891 DOI: 10.1007/bf00223290] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/1995] [Accepted: 02/10/1995] [Indexed: 06/02/2023]
Abstract
The inheritance of mitochondrial (mt) and chloroplast (ct) DNA in the progeny from interspecific crosses between the cultivated carrot (Daucus carota sativus) and wild forms of the genus Daucus was investigated by analysis of mt and ct RFLPs in single plants of the parental and filial generations. We observed a strict maternal inheritance of the organellar DNAs in all interspecific crosses examined. Previous studies on putative F2 plants from a cross between Daucus muricatus x D. carota sativus suggested paternal inheritance of ctDNA. Our reinvestigation of this material revealed that the mtDNA of the putative F2 plants differed from the mtDNA of both putative parents. Therefore, our data suggest that the investigated material originated from other, not yet identified, parents. Consequently, the analysis of this material cannot provide evidence for a paternal inheritance of ctDNA.
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Affiliation(s)
- R Steinborn
- Department of Biology, Humboldt-University, Invalidenstrasse 43, D-10115, Berlin, Germany
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16
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Cipriani G, Testolin R, Morgante M. Paternal inheritance of plastids in interspecific hybrids of the genus Actinidia revealed by PCR-amplification of chloroplast DNA fragments. MOLECULAR & GENERAL GENETICS : MGG 1995; 247:693-7. [PMID: 7616960 DOI: 10.1007/bf00290400] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
RFLPs (restriction fragment length polymorphisms) of PCR (polymerase chain reaction) -amplified fragments were used to trace the pattern of plastid DNA inheritance in the genus Actinidia. A total of 51 progeny originating from interspecific crosses between three A. arguta cultivars and A. deliciosa, the kiwifruit, and 12 progeny originating from the cross between A. kolomikta and A. chinensis were analysed together with their parents. No reciprocal crosses could be tested since they all failed to set viable seeds. Attempts to rescue immature embryos failed in all cases as well. The A. argutaXA. deliciosa crosses were checked for the RFLP patterns of a sequence encoding part of the Rubisco large subunit (rbcL), using either AluI or MseI, and for a sequence encoding part of the photosystem II D1 protein (psbA), using HinfI. The A. kolomiktaXA. chinensis cross was checked for the RFLP patterns of sequences encoding the spacers between trnT and the 5'-trnL exon (a-b spacer DNA) and the trnL 3' exon and trnF (e-f spacer DNA), respectively. The first spacer revealed a natural polymorphism between the two parent species due to a large deletion occurring in A. kolomikta detectable without further restriction enzyme treatment. The e-f spacer DNA was digested with HinfI. The comparison of the RFLP patterns in the parents and their progeny showed a strictly paternal inheritance of chloroplast DNA in Actinidia, with no exception found in any of the crosses examined. As the reciprocal crosses were not available, we do not know whether paternal inheritance of plastids is restricted to the crosses we analysed or if this is the general rule for plastid inheritance in the genus Actinidia. Actinidia is dioecious and is the first purely outbreeding species for which a paternal plastid inheritance has so far been documented.
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Affiliation(s)
- G Cipriani
- Dipartimento di Produzione vegetale e tecnologie agrarie, University of Udine, Italy
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17
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Yao JL, Cohen D, Rowland RE. Plastid DNA inheritance and plastome-genome incompatibility in interspecific hybrids of Zantedeschia (Araceae). TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 1994; 88:255-260. [PMID: 24185935 DOI: 10.1007/bf00225906] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/1993] [Accepted: 09/09/1993] [Indexed: 06/02/2023]
Abstract
Plastid DNA (ptDNA) probes were used in RFLP analysis to determine ptDNA inheritance in interspecific hybrids in Zantedeschia. Biparental and maternal ptDNA inheritance was found in albino hybrids between the evergreen species Z. aethiopica and several winter-dormant species. From two albino hybrids, different types of ptDNA were detected in shoots derived from different parts of an embryo. This result indicates that plastids were sorted out during embryo development. Only maternal ptDNA was detected in the hybrids of Z. aethiopica × Z. odorata (a summer-dormant species) but paternal, biparental, and maternal ptDNA were found in the hybrids of the reciprocal cross. Z. odorata × Z. aethiopica. By correlating these ptDNA inheritance patterns with the leaf colour (albino, pale-green, and green) of the hybrids, it is suggested that the Z. odorata plastome is incompatible with the Z. aethiopica genome. The Z. aethiopica plastome is partially compatible with the Z. odorata genome but the development of Z. aethiopica plastids appears to be blocked by the presence of the Z. odorata plastids.
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Affiliation(s)
- J L Yao
- Department of Plant Biology, Massey University, Palmerston North, New Zealand
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19
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Tilney-Bassett RA, Almouslem AB, Amoatey HM. Complementary genes control biparental plastid inheritance in Pelargonium. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 1992; 85:317-324. [PMID: 24197321 DOI: 10.1007/bf00222876] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/1992] [Accepted: 04/23/1992] [Indexed: 06/02/2023]
Abstract
Zonal pelargoniums exhibit biparental plastid inheritance. After G x W plastid crosses the progeny are a mixture of green, variegated and white embryos corresponding to a maternal, biparental or paternal inheritance of plastids, respectively. There are two patterns of segregation: type-I females have families in which the majority of embryos are green, variegated are of intermediate frequency and white are the least frequent. Type-II females have families in which green and white embryos are present at about the same frequency and variegated are the least common. The results of many selfs and crosses made within and between 8 type-I and 8 type-II plants led us to conclude that the type of female was determined by its genotype with respect to a pair of complementary genes. Plants giving rise to the type-II pattern contained one or two copies of the dominant alleles of both genes, whereas in the absence of either one or both dominant alleles the plants were type I. The genes were called Pr1/pr1 and Pr2/pr2, an adaptation of symbolism used previously. All 8 type IIs were double heterozygotes Pr1pr1, Pr2pr2, whereas we found 3 genotypes among the type Is, Pr1Pr1, pr2pr2; pr1pr1, Pr2Pr2 and pr1pr1, Pr2pr2. In unrelated experiments we found type IIs of which some were again double heterozygotes and others single heterozygotes Pr1pr1, Pr2Pr2 or Pr1Pr1, Pr2pr2. The model displaces an earlier model based on the proposed operation of a gametophytic lethal or incompatibility system.
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Affiliation(s)
- R A Tilney-Bassett
- School of Biological Sciences, University College of Swansea, SA2 8PP, Singleton Park, Swansea, Wales
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Mejnartowicz M. Inheritance of chloroplast DNA inPopulus. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 1991; 82:477-80. [PMID: 24213265 DOI: 10.1007/bf00588602] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/1991] [Accepted: 04/30/1991] [Indexed: 05/26/2023]
Abstract
Restriction fragment length polymorphisms (RFLPs) were used as markers to determine the transmission of chloroplast DNA (cpDNA) in poplar crosses. The plant material studied included individual trees ofPopulus trichocarpa, P. maximowiczii xtrichocarpa, P. maximowiczii xnigra, and offspring from controlled crosses between these trees. RFLPs were identified by direct observation of stained restriction fragments, as well as by molecular hybridization with heterologous cpDNA probes. Analysis of the restriction fragment patterns in the parents and their progeny showed only the patterns of the maternal tree in the progeny, while no paternal type was found. These results provide clear evidence of a maternal mode of chloroplast inheritance in the poplar clones studied.
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Affiliation(s)
- M Mejnartowicz
- Department of Forest Genetics and Forest Plant Breeding, University of Göttingen, W-3400, Göttingen, FRG
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