Maria Adelaide Iannelli

Maria Adelaide Iannelli
Italian National Research Council | CNR · Institute of Agricultural Biology and Biotechnology IBBA

About

64
Publications
10,252
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1,782
Citations
Additional affiliations
June 2003 - February 2016
Italian National Research Council
Position
  • Researcher

Publications

Publications (64)
Preprint
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Interspecific hybridization and polyploidization are recognized as two main driving forces in plant evolution, shaping genomes and favoring evolutionary novelty and ecological adaptation. Recent studies have demonstrated hybridization within the genus Lemna (Lemnaceae Martinov). Lemna minor has given rise to two interspecific hybrids: Lemna × japon...
Article
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In modern agricultural production, cattle manure waste recovery is considered as a sustainable approach to agricultural waste management, reducing environmental pollution and chemical fertilizer use. This study aimed to investigate the effects of manure and digestate derived from a pilot-scale livestock waste-recycling system, in combination with a...
Article
Full-text available
Lemnaceae taxonomy is challenged by the particular morphology of these tiny free-floating angiosperms. Although molecular taxonomy has helped clarify the phylogenetic history of this family, some inconsistency with morphological data leads to frequent misclassifications in the genus Lemna. Recently, the finding that Lemna japonica is an interspecif...
Article
Full-text available
Owing to the unique physicochemical properties and the low manufacturing costs, silver nanoparticles (AgNPs) have gained growing interest and their application has expanded considerably in industrial and agricultural sectors. The large-scale production of these nanoparticles inevitably entails their direct or indirect release into the environment,...
Preprint
Full-text available
Lemnaceae taxonomy is challenged by the particular morphology of these tiny free-floating angiosperms, reduced to a single leaf-like structure called frond, without or with one to few roots. Although molecular taxonomy has helped clarify the phylogenetic history of this family, inconsistency between morphological data and nuclear and plastid marker...
Article
Full-text available
Class 2 KNOX homeobox transcription factors (KNOX2) play a role in promoting cell differentiation in several plant developmental processes. In Arabidopsis, they antagonize the meristematic KNOX1 function during leaf development through the modulation of phytohormones. In Medicago truncatula, three KNOX2 genes belonging to the KNAT3/4/5-like subclas...
Article
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Microplastics are widely spread in aquatic environments. Although they are considered among the most alarming contaminants, toxic effects on organisms are unclear, particularly on freshwater plants. In this study, the duckweed Lemna minuta was grown on different concentrations (50, 100 mg/L) of poly(styrene-co-methyl methacrylate) microplastics (MP...
Article
Duckweeds are aquatic plants often used in phytotoxic studies for their small size, simple structure, rapid growth, high sensitivity to pollutants and facility of maintaining under laboratory conditions. In this paper, induced phytotoxic effects were investigated in Lemna minor and Lemna minuta after exposition to silver nitrate (AgNO3) and silver...
Article
Full-text available
Residential air cleaners exploiting different technologies re commonly used today to remove air contaminants from indoor environments. Different methods have been developed in the USA and Europe to test their efficiency. The one used in the USA provides a more comprehensive view of indoor processes, because testing is performed in a large simulatio...
Article
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Phytoremediation potential of duckweeds (Lemna minuta, Lemna minor) to remove nutrients from simulated wastewater was analyzed. In two separate experiments, the two species were grown for 28 days in waters enriched with nitrate and phosphate to simulate nutrient concentrations of domestic wastewater. Water physical and chemical measurements (temper...
Article
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Endives (Cichorium endivia L.) are popular vegetables, diversified into curly/frisée- and smooth/broad-leafed (escaroles) cultivar types (cultigroups), and consumed as fresh and bagged salads. They are rich in sesquiterpene lactones (STL) that exert proven function on bitter taste and human health. The assembly of a reference transcriptome of 77,02...
Article
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Cichorium endivia is a leafy crop closely related to Lactuca sativa that comprises two major botanical varieties characterized by a high degree of intraspecific morphological variation: var. latifolium with broad leaves (escarole) and var. crispum with narrow crisp curly leaves (endive). To investigate the relationship between leaf morphology and p...
Article
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This review is dedicated to the memory of Prof. Domenico Mariotti, who significantly contributed to establishing the Italian research community in Agricultural Genetics and carried out the first experiments of Agrobacterium-mediated plant genetic transformation and regeneration in Italy during the 1980s. Following his scientific interests as guidin...
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Stem-chicory of the “Catalogna” group is a vegetable consumed for bitter-flavored stems. Type and levels of bitter sesquiterpene lactones (STLs) participate in conferring bitterness in vegetables. The content of lactucin—and lactucopocrin-like STLs was higher in “Molfettese” than “Galatina” landrace stalks, regardless of the cultivation sites, cons...
Article
We investigated the role of KNOX genes in legume root nodule organogenesis. Class 1 KNOX homeodomain transcription factors ( TF s) are involved in plant shoot development and leaf shape diversity. Class 2 KNOX genes are less characterized, even though an antagonistic function relative to class 1 KNOX s was recently proposed. In silico expression da...
Article
Full-text available
The objective of this study was to investigate the combined effects of elevated CO2 and cadmium (Cd) treatments on growth, photosynthetic efficiency and phytoremediation ability in Lemna minor L. Plants of L. minor were exposed to different Cd concentrations (0, 1.5, 2.5 and 5 mgL−1 Cd) for periods of 24, 48 and 72 hours at ambient (AC) and at elev...
Article
Full-text available
The Three Amino acid Loop Extension (TALE) proteins constitute an ancestral superclass of homeodomain transcription factors conserved in animals, plants and fungi. In plants they comprise two classes, KNOTTED1-LIKE homeobox (KNOX) and BEL1-like homeobox (BLH or BELL, hereafter referred to as BLH), which are involved in shoot apical meristem (SAM) f...
Article
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Metal pollution in waters and soils is a major environmental and human health problem. Cadmium (Cd2+) is a heavy metal displaying toxic effects in plants. In this work we studied the potentiality of Lemna minor, a monocotyledonous aquatic macrophyte, to phytoremediate cadmium-polluted waters. The plants were exposed to different cadmium concentrati...
Article
Full-text available
The effect of composted municipal solid waste (MSW) and sewage sludge (SS) on photosynthetic activity of wheat (Triticum durum L.) was investigated. Chloro-phyll fluorescence and gas exchange parameters were assessed following application of up to 300 t ha -1 of MSW compost or SS. 100 t ha -1 MSW compost was optimal for the plant growth, which show...
Article
ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Article
Metabolism of genetically modified (GM) lettuce (Lactuca sativa L.) leaves was investigated by comparing NMR metabolic profiles of three lines (T(3)B12, T(7)B7, and T(7)B14) overexpressing the E. coli asparagine synthetase A gene with those of the wild type (WT) at 24, 56, and 64 days after sowing (DAS). Statistical analyses based on hydro-soluble...
Article
Inappropriate utilisation of biosolids may adversely impact agrosystem productivity. Here, we address the response of wheat (Triticum durum) to different doses (0, 40, 100, 200 and 300 t ha(-1)) of either municipal solid waste (MSW) compost or sewage sludge in a greenhouse pot experiment. Plant growth, heavy metal uptake, and antioxidant activity w...
Article
Full-text available
The 1H-NMR methodology used in the study of genetically modified (GM) foods is discussed. Transgenic lettuce (Lactuca sativa cv "Luxor") over-expressing the Arabidopsis KNAT1 gene is presented as a case study. Twenty-two water-soluble metabolites (amino acids, organic acids, sugars) present in leaves of conventional and GM lettuce were monitored by...
Article
Full-text available
The 1H-NMR methodology used in the study of genetically modified (GM) foods is discussed. Transgenic lettuce (Lactuca sativa cv "Luxor") over-expressing the ArabidopsisKNAT1 gene is presented as a case study. Twenty-two water-soluble metabolites (amino acids, organic acids, sugars) present in leaves of conventional and GM lettuce were monitored by...
Article
Class 1 KNOTTED1-like transcription factors (KNOX) are known to regulate plant development, whereas information on class 2 KNOX has been limited. The peach KNOPE3 gene was cloned, belonged to a family of few class 2 members and was located at 66cM in the Prunus spp. G1 linkage-group. The mRNA localization was diversified in leaf, stem, flower and d...
Article
Full-text available
We isolated three class I and three class II KNOX genes in Medicago truncatula. The predicted amino acid sequences suggested a possible orthology to the Arabidopsis homeodomain proteins STM, KNAT1/BP, KNAT3 and KNAT7 that was confirmed by phylogenetic and conserved structural domain analyses. Moreover, the STM-like MtKNOX1 and MtKNOX6 proteins were...
Article
Transgene escape risks are evaluated by assessing the frequency of transgenic hybrids within populations sexually compatible with those genetically modified. We examined the pollen-mediated transgene flow among lettuce varieties in Italy. Transgenic ‘Luxor’ lines harboured the arabidopsis KNAT1 gene, which caused leaf trait alterations, and the bac...
Chapter
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This review will focus on the interaction of the photosynthetic apparatus with Cd and on the role that thiols play in buffering the damaging reactivity of this heavy metal towards enzymes and other molecular components of photosynthesis
Article
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We investigated how the presence of cadmium (Cd) at the emergence of Phragmites australis Trin. (Cav.) ex Steudel plants from rhizomes interacted with leaf and chloroplast physiological and biochemical processes. About 8.5 nmol Cd mg-1 chlorophyll was found in leaves, and 0.83 nmol Cd mg-1 chlorophyll was found in chloroplasts of plants treated wit...
Article
Phragmites (Phragmites australis Cav. (Trin.) ex Steud) plants exposed to a high concentration of CdSO 4 (50 µM) for 21 d were analysed with respect to the distribution of metal, its effects on antioxidants, the antioxidant enzymes and the redox status in leaves, roots and stolons. The highest accumulation of Cd 2+ occurred in roots followed by lea...
Article
At     suboptimal     temperatures,     anthocyanins     accumulate in the illuminated leaf surface of some maize genotypes and, if the anthocyanins shade chloroplasts, they can effectively reduce the risk of photo-inhibition but also photo-synthesis. To investigate this phenomenon, gas exchange, fluorescence,   superoxide   dismutase   activity   ...
Article
Full-text available
Phragmites australis is a rhizomatous plant of the Poaceae family with the widest geographical distribution of any flowering plant. It often invades wetlands where with its vigorous propagation can outcompete rare plant communities. On the other hand, invasion by this species in water polluted habitats seems to be beneficial, and the decline of its...
Article
Full-text available
Tolerance to low temperature and paraquat-mediated oxidative stress was investigated in two Zea mays genotypes, VA36 and A619, grown at 25/22°C and 16/14°C for 50 d after germination. VA36, the tolerant genotype, showed an enhanced resistance to paraquat as compared to A619, the sensitive genotype, when grown at low temperature. In VA36, superoxide...
Article
Full-text available
Photosynthesis and carbohydrate accumulation in maize genotypes (Zea mays L.) VA-36 and A-619, ranked as possessing low and high sensitivity to low temperature, were studied in relation to regrowth after transfer from day/night temperatures of 16/12˚C to 25/20˚C. Plants were grown for 45 days at 25/20 or 16/12˚C, or transferred after 45 days from 1...
Chapter
Full-text available
The photosynthetic mechanism of C4 plants is generally less tolerant to chilling stress than the mechanism of C3 plants. Visible oxidative injuries on the leaf tissue of C4 plants exposed for long periods to the combination of chilling and high light suggest that these plant types are not adequately photoprotected. The energy absorbed under stress...
Article
The title myo-[1-3H]-Inositol derivative was synthesized and characterized by tritium-N.M.R. The unlabelled compound proved a potent inhibitor of the cellular key enzyme phosphatidylinositol-specific phospholipase-C (PI-PLC) involved in the production of intracellular second messengers and its tritium derivative was necessary in order to fully unde...
Article
Several samples of oversulfated chondroitin and dermatan were obtained by chemical sulfation and by SAX-HPLC enrichment. The starting products and oversulfated products were tested as potential inhibitors of human leukocyte elastase, an enzyme hypothesized to be involved in the etiology of diseases such as emphysema, atherosclerosis, and rheumatoid...
Article
ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Article
Full-text available
We examined the photosynthetic properties, the activity of antioxidant enzymes and the amount of caroten-oids of two maize genotypes characterized by different sensitivity to low temperature. Plants of the low-temperature-sensitive genotype A-619 and of the low-temperature-resistant genotype VA-36 were grown at 25/20°C (control plants) and at 16/14...
Article
Full-text available
We studied the effect of drought on photosynthesis, growth, and sugar accumulation in field-grown sweet sorghum (Sorghum bicolor (L.) Moench). Stomata closed when drought stress developed during the day. As a consequence, photosynthesis was reduced. The water use efficiency of drought-stressed leaves was slightly lower than that of controls and thi...
Article
UDPG-glucuronyltransferase (GT) activities have been determined in the hepatic microsomes of fish species recommended by OECD for some (eco)toxicological tests. Due to the heterogeneity of this enzyme family, different chemicals were used as substrate: 4-nitrophenol (4NP), 4 methylumbelliferone (4MU), and 2- and 4-hydroxybiphenyl (2OHB and 4OHB). T...

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