Analysis of Sardinian myrtle (<i>Myrtus communis</i>L.) germplasm selections by SSR markers

Corona, Lucia; Mele, Caterina; Chessa, I.; Mulas, Maurizio

doi:10.17660/actahortic.2017.1172.32

Cited by 3 publications

(2 citation statements)

References 11 publications

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“…Mediterranean maquis is a natural ecosystem with many aromatic plants carrying these characteristics 4 – 8 . In this habitat, species of the Rosaceae family are extremely widespread.…”

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confidence: 99%

Effects of Rubus fruticosus and Juniperus oxycedrus derivatives on culturability and viability of Listeria monocytogenes

Barbieri

Montanari

Šimat

et al. 2022

Sci Rep

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The consumers’ demand for safe foods without chemical additives increased the research for green solutions, based on natural antimicrobials. Plants can be an important source of bioactive compounds able to prevent the development of foodborne pathogens and spoilage microflora. This paper aimed to characterize phenolic extracts (PEs) and essential oils (EOs) obtained from Mediterranean Rubus fruticosus leaves and Juniperus oxycedrus needles and to evaluate their antimicrobial effects against Listeria monocytogenes Scott A. The growth dynamics with sub-lethal concentrations of plant derivatives were modeled and flow cytometry was used to better evidence the effect on cell viability and culturability. The results showed that these plant derivatives affected the growth of L. monocytogenes, increasing lag phase (about 40 h in the presence of PEs vs. 8 h in the control) and decreasing the final cell load of at least 1 log cycle with respect to the control. R. fruticosus EO was the most effective, determining an initial decrease of cell counts of about 6 log cycles, followed by a restart of growth after 10 h, with rate similar to the control (0.08 with R. fruticosus EO vs. 0.09 ((log CFU/ml)/h in the control) but significantly lower final cell load (7.33 vs. 8.92 log CFU/ml). According to flow cytometry, only R. fruticosus EO induced a relevant increase of dead cells, while the other plant derivatives determined different extent of sub-lethal cell injury. The discrepancy observed in some cases between viability and culturability could indicate the presence of cells not able to grow in culture media, whose fate needs to be further investigated to assess their potential recovery, thus bringing to an overestimation of the antimicrobial effect of these substances. This research contributed to increase the knowledge of these underused raw materials such as blackberry leaves and juniper needles that can be exploited in food and other industries.

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“…Mediterranean maquis is a natural ecosystem with many aromatic plants carrying these characteristics 4 – 8 . In this habitat, species of the Rosaceae family are extremely widespread.…”

mentioning

confidence: 99%

Effects of Rubus fruticosus and Juniperus oxycedrus derivatives on culturability and viability of Listeria monocytogenes

Barbieri

Montanari

Šimat

et al. 2022

Sci Rep

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“…The comparison of three populations (wild in situ selected, cultivated ex situ growing, and hybrids derived from free pollination) allows evaluating the influence that each single step had on the phenotypic variability. The study of these characters is useful to define the effective variability of the species transferred to cultivars, as well as the potential of classical hybridization to enhance the natural variability from a breeding perspective [46][47][48][49][50].…”

Section: General Evaluations and Future Perspectives Of The Domestication Programmentioning

confidence: 99%

Fruit Quality Characters of Myrtle (Myrtus communis L.) Selections: Review of a Domestication Process

Medda

Mulas

2021

Sustainability

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Interest in myrtle (Myrtus communis L.) by food, cosmetics, and pharmaceutic industries generated the integration of biomasses harvested from wild populations as raw materials with yields of cultivated orchards. The domestication process is reviewed considering shoot, fruit, and leaf biometric characters of selections obtained in three steps of the program. The first step started in Sardinia (Italy) in 1995 by the analysis of wild germplasm variability. Seventy accessions were the object of the first studied population of mother plants. Agamic propagation tests, as well quality evaluations of fruit and leaves, were integrated into the first step. In the second step, a field of comparison of forty-two agamically propagated cultivars functional to biomass production and to food uses was planted and evaluated for phenotypic characters. In the third step, a new population of twenty selections was obtained by open cross-pollination of some of the cultivars and further phenotypic selection in seedling population. In this review, the three populations are compared for biometric shoot, leaves and fruit characters, in order to verify the pressure of domestication process on these traits. Wild populations showed high variability only partially used during the first step, while the hybridization may create new variability for use in the genetic improvement of myrtle.

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The genetic diversity of selections and wild populations of myrtle revealed by molecular geographic contexts

Mele

Corona

Melito

et al. 2019

Industrial Crops and Products

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Analysis of Sardinian myrtle (Myrtus communisL.) germplasm selections by SSR markers

Cited by 3 publications

References 11 publications

Effects of Rubus fruticosus and Juniperus oxycedrus derivatives on culturability and viability of Listeria monocytogenes

Effects of Rubus fruticosus and Juniperus oxycedrus derivatives on culturability and viability of Listeria monocytogenes

Fruit Quality Characters of Myrtle (Myrtus communis L.) Selections: Review of a Domestication Process

The genetic diversity of selections and wild populations of myrtle revealed by molecular geographic contexts

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