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Academic literature on the topic 'Studi salentini'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Studi salentini"

1

Girelli, Chiara Roberta, Laura Del Coco, Federica Angilè, Marco Scortichini, and Francesco Paolo Fanizzi. "Olive Cultivars Susceptible or Tolerant to Xylella fastidiosa Subsp. pauca Exhibit Mid-Term Different Metabolomes upon Natural Infection or a Curative Treatment." Plants 10, no. 4 (April 15, 2021): 772. http://dx.doi.org/10.3390/plants10040772.

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Xylella fastidiosa subsp. pauca, is a bacterial phytopathogen associated with the “olive quick decline syndrome” (OQDS) causing severe economic losses to olive groves in Salento area (Apulia, Italy). In a previous work, we analyzed by 1H-NMR the metabolic pattern of naturally infected Ogliarola salentina and Cellina di Nardò susceptible cultivars untreated and treated with a zinc-copper citric acid biocomplex and we observed the treatment related variation of the disease biomarker quinic acid. In this study, we focused also on the Leccino cultivar, known to exhibit tolerance to the disease progression. The 1H-NMR-based metabolomic approach was applied with the aim to characterize the overall metabolism of tolerant Leccino in comparison with the susceptible cultivars Ogliarola salentina and Cellina di Nardò under periodic mid-term treatment. In particular, we studied the leaf extract molecular patterns of naturally infected trees untreated and treated with the biocomplex. The metabolic Leccino profiles were analyzed for the first time and compared with those exhibited by the susceptible Cellina di Nardò and Ogliarola salentina cultivars. The study highlighted a specificity in the metabolic response of the tolerant Leccino compared to susceptible cultivars. These differences provide useful information to describe the defensive mechanisms underlying the change of metabolites as a response to the infection, and the occurrence of different levels of disease, season and treatment effects for olive cultivars.
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Girelli, Angilè, Del Coco, Migoni, Zampella, Marcelletti, Cristella, Marangi, Scortichini, and Fanizzi. "1H-NMR Metabolite Fingerprinting Analysis Reveals a Disease Biomarker and a Field Treatment Response in Xylella fastidiosa subsp. pauca-Infected Olive Trees." Plants 8, no. 5 (April 29, 2019): 115. http://dx.doi.org/10.3390/plants8050115.

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Xylella fastidiosa subsp. pauca is a xylem-limited bacterial phytopathogen currently found associated on many hectares with the “olive quick decline syndrome” in the Apulia region (Southern Italy), and the cultivars Ogliarola salentina and Cellina di Nardò result in being particularly sensitive to the disease. In order to find compounds showing the capability of reducing the population cell density of the pathogen within the leaves, we tested, in some olive orchards naturally-infected by the bacterium, a zinc-copper-citric acid biocomplex, namely Dentamet®, by spraying it to the crown, once per month, during spring and summer. The occurrence of the pathogen in the four olive orchards chosen for the trial was molecularly assessed. A 1H NMR metabolomic approach, in conjunction with a multivariate statistical analysis, was applied to investigate the metabolic pattern of both infected and treated adult olive cultivars, Ogliarola salentina and Cellina di Nardò trees, in two sampling periods, performed during the first year of the trial. For both cultivars and sampling periods, the orthogonal partial least squares discriminant analysis (OPLS-DA) gave good models of separation according to the treatment application. In both cultivars, some metabolites such as quinic acid, the aldehydic form of oleoeuropein, ligstroside and phenolic compounds, were consistently found as discriminative for the untreated olive trees in comparison with the Dentamet®-treated trees. Quinic acid, a precursor of lignin, was confirmed as a disease biomarker for the olive trees infected by X. fastidiosa subsp. pauca. When treated with Dentamet®, the two cultivars showed a distinct response. A consistent increase in malic acid was observed for the Ogliarola salentina trees, whereas in the Cellina di Nardò trees the treatments attenuate the metabolic response to the infection. To note that in Cellina di Nardò trees at the first sampling, an increase in γ-aminobutyric acid (GABA) was observed. This study highlights how the infection incited by X. fastidiosa subsp. pauca strongly modifies the overall metabolism of olive trees, and how a zinc-copper-citric acid biocomplex can induce an early re-programming of the metabolic pathways in the infected trees.
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Scortichini, Marco, Stefania Loreti, Nicoletta Pucci, Valeria Scala, Giuseppe Tatulli, Dimitri Verweire, Michael Oehl, et al. "Progress towards Sustainable Control of Xylella fastidiosa subsp. pauca in Olive Groves of Salento (Apulia, Italy)." Pathogens 10, no. 6 (May 29, 2021): 668. http://dx.doi.org/10.3390/pathogens10060668.

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Xylella fastidiosa subsp. pauca is the causal agent of “olive quick decline syndrome” in Salento (Apulia, Italy). On April 2015, we started interdisciplinary studies to provide a sustainable control strategy for this pathogen that threatens the multi-millennial olive agroecosystem of Salento. Confocal laser scanning microscopy and fluorescence quantification showed that a zinc-copper-citric acid biocomplex—Dentamet®—reached the olive xylem tissue either after the spraying of the canopy or injection into the trunk, demonstrating its effective systemicity. The biocomplex showed in vitro bactericidal activity towards all X. fastidiosa subspecies. A mid-term evaluation of the control strategy performed in some olive groves of Salento indicated that this biocomplex significantly reduced both the symptoms and X. f. subsp. pauca cell concentration within the leaves of the local cultivars Ogliarola salentina and Cellina di Nardò. The treated trees started again to yield. A 1H-NMR metabolomic approach revealed, upon the treatments, a consistent increase in malic acid and γ-aminobutyrate for Ogliarola salentina and Cellina di Nardò trees, respectively. A novel endotherapy technique allowed injection of Dentamet® at low pressure directly into the vascular system of the tree and is currently under study for the promotion of resprouting in severely attacked trees. There are currently more than 700 ha of olive groves in Salento where this strategy is being applied to control X. f. subsp. pauca. These results collectively demonstrate an efficient, simple, low-cost, and environmentally sustainable strategy to control this pathogen in Salento.
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4

Jurado, Valme, Ingrid Groth, Juan M. Gonzalez, Leonila Laiz, and Cesareo Saiz-Jimenez. "Agromyces salentinus sp. nov. and Agromyces neolithicus sp. nov." International Journal of Systematic and Evolutionary Microbiology 55, no. 1 (January 1, 2005): 153–57. http://dx.doi.org/10.1099/ijs.0.63199-0.

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A polyphasic study was carried out to clarify the taxonomic position of two Gram-positive bacteria isolated from soil samples of the Grotta dei Cervi (Italy), a relatively unexplored hypogean environment. The strains, 20-5T and 23-23T, showed phenotypic and phylogenetic characteristics that were consistent with their classification in the genus Agromyces. 16S rRNA gene sequence comparisons revealed that the two strains formed distinct phyletic lines within the genus Agromyces. Based on 16S rRNA gene sequence similarity, chemotaxonomic data and the results of DNA–DNA relatedness studies, it is proposed that the two isolates represent two novel species of the genus Agromyces. Pronounced differences in a broad range of phenotypic characteristics and DNA G+C content distinguished the two strains from each other and from previously described species of the genus Agromyces. Two novel species are proposed: Agromyces salentinus sp. nov. (type strain, 20-5T=HKI 0320T=DSM 16198T=NCIMB 13990T) and Agromyces neolithicus sp. nov. (type strain, 23-23T=HKI 0321T=DSM 16197T=NCIMB 13989T).
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D’Attoma, Giusy, Massimiliano Morelli, Pasquale Saldarelli, Maria Saponari, Annalisa Giampetruzzi, Donato Boscia, Vito Nicola Savino, Leonardo De La Fuente, and Paul A. Cobine. "Ionomic Differences between Susceptible and Resistant Olive Cultivars Infected by Xylella fastidiosa in the Outbreak Area of Salento, Italy." Pathogens 8, no. 4 (November 28, 2019): 272. http://dx.doi.org/10.3390/pathogens8040272.

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Olive quick decline syndrome (OQDS) is a devastating disease of olive trees in the Salento region, Italy. This disease is caused by the bacterium Xylella fastidiosa, which is widespread in the outbreak area; however, the “Leccino” variety of olives has proven to be resistant with fewer symptoms and lower bacterial populations than the “Ogliarola salentina” variety. We completed an empirical study to determine the mineral and trace element contents (viz; ionome) of leaves from infected trees comparing the two varieties, to develop hypotheses related to the resistance of Leccino trees to X. fastidiosa infection. All samples from both cultivars tested were infected by X. fastidiosa, even if leaves were asymptomatic at the time of collection, due to the high disease pressure in the outbreak area and the long incubation period of this disease. Leaves were binned for the analysis by variety, field location, and infected symptomatic and infected asymptomatic status by visual inspection. The ionome of leaf samples was determined using inductively coupled plasma optical emission spectroscopy (ICP-OES) and compared with each other. These analyses showed that Leccino variety consistently contained higher manganese (Mn) levels compared with Ogliarola salentina, and these levels were higher in both infected asymptomatic and infected symptomatic leaves. Infected asymptomatic and infected symptomatic leaves within a host genotype also showed differences in the ionome, particularly a higher concentration of calcium (Ca) and Mn levels in the Leccino cultivar, and sodium (Na) in both varieties. We hypothesize that the ionome differences in the two varieties contribute to protection against disease caused by X. fastidiosa infection.
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Bottalico, Antonella, Giuseppina Alongi, and Cesira Perrone. "Macroalgal diversity of Santa Cesarea-Castro (Salento Peninsula, southeastern Italy)." Anales del Jardín Botánico de Madrid 73, no. 2 (November 21, 2016): 042. http://dx.doi.org/10.3989/ajbm.2412.

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The benthic macroalgal flora from the eastern Ionian coastal area of the Peninsula Salentina is scarcely studied. This study gives a contribution to the knowledge on its biodiversity in this area, which also includes marine caves, and the geographical distribution of some interesting species. A total of 174 macroalgae (119 Rhodophyta, 27 Ochrophyta, and 28 Chlorophyta) were identified. Six species are first records for the region, one of which, Liagora ceranoides, represents a new record for the Italian flora. The vegetation of most of the wave-exposed rocky substrata, as well as of the two sulphureous caves at Santa Cesarea Terme is characterised by extensive populations of Corallinales. The chorological spectrum of the flora shows a high occurrence of Indo-Pacific and Circumtropical elements, thus resulting more similar to that of floras of the Greek Ionian Sea.
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Parker, R. C. T. "G. Laudizi: D. Giunio Giovenale: Il frammento Winstedt. (Studi e Testi, Serie Latina, 1.) Pp. 104. Lecce: Adriatica Editrice Salentina, 1982. Paper." Classical Review 35, no. 2 (October 1985): 391. http://dx.doi.org/10.1017/s0009840x00109485.

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8

Tarricone, L. "Psychiatry without borders." European Psychiatry 26, S2 (March 2011): 479. http://dx.doi.org/10.1016/s0924-9338(11)72186-1.

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The socio-economic changes of recent decades with the massive migration flows from third world countries and Eastern Europe to the more industrialized nations, including Italy, has led to a need for a meeting point between different cultures and has placed psychiatrists and health services in the position of having to revise their organizational models.With this study we intend to analyze the mental health needs of non-CEE citizens in the context of a general hospital situation, and assess the impact of current laws.A revision, made in the period 2006/2010 in SPDC in Campi Salentina, of the admissions and consultancy carried in the Emergency Unit for non-patients was carried out. Patients were divided by geographical area of origin, date of immigration, personal data and clinical diagnoses. The data show an increase of users patients coming from European countries, non-CEE geopolitical areas and North Africa in the first three years.In the second two years, a reduction of admissions resulted because of a change in legislation. The clinical diagnosis showed a prevalence of clinical features of neurotic and adaptation of substance use for immigrants from Eastern Europe and pathology of the spectrum of mood disorders in patients from other continents. It is essential that the nature of the patient and their disease is considered in the context of socio-cultural dynamics to provide new knowledge, taking into account the size of collective psychopathology using a methodology that integrates the general cultural suffering from whatever country they come from.
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9

Del Coco, Laura, Danilo Migoni, Chiara Roberta Girelli, Federica Angilè, Marco Scortichini, and Francesco Paolo Fanizzi. "Soil and Leaf Ionome Heterogeneity in Xylella fastidiosa Subsp. Pauca-Infected, Non-Infected and Treated Olive Groves in Apulia, Italy." Plants 9, no. 6 (June 17, 2020): 760. http://dx.doi.org/10.3390/plants9060760.

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Xylella fastidiosa subsp. pauca is responsible for the “olive quick decline syndrome” (OQDS) in Salento (Apulia). The main epidemiological aspects of the syndrome are related to the pathogen spread and survival in the area, and to the biology of the insect vector. The assessment of the macro and microelements content (i.e., ionome) in soil and leaves could provide basic and useful information. Indeed, knowledge of host ionomic composition and the possibility of its modification could represent a potential tool for the management of diseases caused by X. fastidiosa. Therefore, soil and leaf ionomes of naturally infected, not infected, and zinc–copper–citric acid biocomplex treated trees of different areas of Apulia and the bordering Basilicata regions were compared. We observed that soil and leaf ionomic composition of olive farms growing in the pathogen-free areas north of the Salento Barletta-Andria-Trani BAT (Apulia) and Potenza PZ (Basilicata, Apulia bordering region) provinces is significantly different from that shown by the infected olive groves of the Salento areas (LE, BR, TA provinces). In particular, a higher content of zinc and copper both in soil and leaves was found in the studied northern areas in comparison to the southern areas. This finding could partly explain the absence of OQDS in those areas. In the infected Salento areas, the leaf ionomic profile resulted as being markedly different for the biocomplex treated compared to the untreated trees. A higher zinc content in leaves characterized treated with respect to untreated trees. On the other hand, among the not-infected trees, Xylella-resistant Leccino showed higher manganese content when compared with the higher pathogen sensitive Ogliarola salentina and Cellina di Nardò. According to these results, soil and olive leaf ionome could provide basic information for the epidemiologic study and possible control of X. f. subsp. pauca in Apulia.
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10

Lummus, David G. "Marco Maggiore, Scripto sopra Theseu Re: Il commento salentino al “Teseida” di Boccaccio (Ugento/Nardò, ante 1487), vol 1: Studi, vol. 2: Testo. (Beihefte zur Zeitschrift für romanische Philologie 399.) Berlin and Boston: De Gruyter, 2016. Pp. xviii, 1247; many tables. $391. ISBN: 978-3-1104-4152-9." Speculum 95, no. 3 (July 1, 2020): 863–64. http://dx.doi.org/10.1086/709569.

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Books on the topic "Studi salentini"

1

Convegno nazionale di studi demologici salentini (1st 1990 Copertino, Italy). Il canto popolare salentino: Atti del 1⁰ Convegno nazionale di studi demologici salentini, Copertino, 15-16 novembre 1990. Cavallino di Lecce: Capone, 1992.

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2

Fabrizio Colamussi: Letterato e poeta salentino : atti del Seminario di studi, Lecce, 23 ottobre 1999. Lecce: Milella, 2001.

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