Meiotic Behavior and Chromosome Number of Four Natural Populations of Peperina [Minthostachys mollis (Kunth.) Griseb.]

Ordóñez, Adriana; Torres, Lorena; Ojeda, Marta Susana

doi:10.1508/cytologia.67.229

Cited by 3 publications

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“…basic chromosome numbers, mostly multiples of x=5 (Raven 1975) to 18 chromosomes (Irving 1976, 1980b, Kundu and Sharma 1988. The presence of different chromosome numbers in somatic cells within the same species was also observed in several genus of this family, such as in the case of Mentha (Ayyangar and Vembu 1985, Queiros 1985, Pogan et al 1986, Tyagi and Ahmad 1989, Ahmad et al 1992, Chambers and Hummer 1994, Origanum (Gill 1984, Ayyangar and Vembu 1985, Wentworth et al 1991 and Minthostachys (Alkire et al 1994, Ordóñez et al 2002, and genera Hedeoma is not an exception. In relation to the chromosomal behavior during meiosis, the studied populations showed a variable percentage of abnormalities (Table 1).…”

Section: Resultsmentioning

confidence: 84%

“…Cytomixis has been reported in different tissues of many flowering plants, including the Lamiaceae family (Ordóñez et al 2002). This process may have serious genetic consequences, such as the formation of pollen mother cells with anomalous chromosome numbers (Omidi et al 2014), abnormal microspores clusters (triads, pentads, hexads) and pollen sterility (Singhal and Kumar 2008, Massoud et al 2011, Nouroozi et al 2011, Singhal and Kaur 2011.…”

Section: Resultsmentioning

confidence: 99%

“…In order to achieve a rational and sustainable use of H. multiflorum and to establish an effective production system (Díaz Cúneo 2012) the cytogenetic characterization of the species is essential (Ordóñez et al 2002). Thus, the aims of this work were to determine the chromosome number of three populations of H. multiflorum, native from Córdoba (Argentina), and characterize them from the meiotic point of view.…”

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Cytogenetic Characterization of Three Populations of <i>Hedeoma multiflorum</i> Benth. (Lamiaceae) Native from Córdoba, Argentina

2017

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Hedeoma multiflorum (Lamiaceae) commonly known as tomillito de las sierras is a native aromatic herb used in folk medicine for its stimulant and digestive properties. Plants are collected in the wild; their uncontrolled exploitation exceeds their rate of natural regeneration leading to the risk of genetic erosion. The aims of this work were to determine the chromosome number of three populations of Hedeoma multiflorum native to Córdoba (Argentina) and characterize them from the meiotic point of view. Most of the somatic cells observed showed the chromosome number 2n=72. In relation to their meiotic behavior, irregularities as presence of univalent, laggards, micronucleus and occurrence of cytomixis were observed. The characterization of the native germoplasm of this valuable aromatic and medicinal species is fundamental to achieve its sustainable handling and conservation.

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Section: Resultsmentioning

confidence: 84%

Section: Resultsmentioning

confidence: 99%

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confidence: 99%

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Cytogenetic Characterization of Three Populations of <i>Hedeoma multiflorum</i> Benth. (Lamiaceae) Native from Córdoba, Argentina

2017

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Ethnobotany, biochemistry and pharmacology of Minthostachys (Lamiaceae)

Schmidt‐Lebuhn

2008

Journal of Ethnopharmacology

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Is peperina (Minthostachys verticillata) exclusively found in South America?

Del Mastro

2023

International Journal of Environmental Engineering and Development

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This article presents a study and simulation of the desalination system consisting of a heat pump HP and a multi-effect distillation MED unit. Electric energy using in HP is provided by photovoltaic panels and wind turbines ,for a possible installation of the system on an isolated sites.The proposed desalination system uses an additional source of thermal energy in order to make HP and MED integration optimal and to reduce HP Electrical energy consumption per cubic meter of distilled water (kwh/m3).The main idea is to use geothermalsolar thermal energy and heat from HP as two thermal inputs in the multi-effect distillation unit MED. Thermal rejection from MED is recovered to be used as heat input in HP that based on mechanical compression of working fluid. The HP can use the working fluids (R22, ammonia) for a number of reasons, including that the two previous fluids are very dense at the saturated vapor state compared to water. A thermodynamic analysis of the desalination system was performed at steady state, using the thermodynamic properties of the Coolprop database. The simulation results showed a minimum value of electrical energy consumption, without consideration the contribution of auxiliary thermal energy :(10.487 kwh/m3 | effect numbre:5).The simulation results showed a minimum value of volumetric flow rate of the working fluid ,before compression : (17.685 m3 of working fluid per m3 of distilled water | effect numbre:12 | contribution ratio of auxiliary thermal energy:46.6 %).

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Meiotic Behavior and Chromosome Number of Four Natural Populations of Peperina [Minthostachys mollis (Kunth.) Griseb.]

Cited by 3 publications

References 11 publications

Cytogenetic Characterization of Three Populations of <i>Hedeoma multiflorum</i> Benth. (Lamiaceae) Native from Córdoba, Argentina

Cytogenetic Characterization of Three Populations of <i>Hedeoma multiflorum</i> Benth. (Lamiaceae) Native from Córdoba, Argentina

Ethnobotany, biochemistry and pharmacology of Minthostachys (Lamiaceae)

Is peperina (Minthostachys verticillata) exclusively found in South America?

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