Volume 19 No. 3 May – June, 2014

ROMANIAN BIOTECHNOLOGICAL LETTERS

– an international journal –

CONTENTS

Cover: The Bucharest University Building

1.	PAUL DOBRE, FARCAŞ NICOLAE, FLORENTINA MATEI Main factors affecting biogas production – an overview	……………	9283
2.	TATJANA VUJOVIĆ, ĐURĐINA RUŽIĆ, RADOSAV CEROVIĆ Adventitious organogenesis via intermediate callus formation in representatives of Prunus, Pyrus and Rubus genera	……………	9297
3.	ANCA SILVIA DUMITRIU, MARINA CRISTINA GIURGIU, HORIA TRAIAN DUMITRIU, MANUELA ANDA RADU-POPESCU, STANA PAUNICA Doxycycline versus tetracycline in the treatment of periodontal disease	……………	9310
4.	MARIUS CAPLAN, ARIANE PIETZKA, GABRIEL POPESCU, ALEXANDRU RAFILA, WERNER RUPPITSCH, ANNA STÖGER, BORCAN ALINA MARIA, ANDREEA LORENA MATEESCU, FRANZ ALLERBERGER, LUMINITA MARUTESCU, STELIANA HUHULESCU Characterization of Romanian Listeria monocytogenes isolates from food and humans	……………	9319
5.	CORINA MARCELA RUS, MARIA CHECIU Teratogenic and embryo toxic effects induced by heavy metals in mice: the quest for a recent and more precise classification of fetal skeletal anomalies in mouse strains	……………	9330
6.	CREŢESCU IULIANA, PETOLESCU CERASELA The effect of the ultraviolet radiation on the somaclonal variability for solanum tuberosum	……………	9339
7.	MONICA LUMINIŢA BADEA, ELENA DELIAN In vitro antifungal activity of the essential oils from Artemisia spp. L. on Sclerotinia sclerotiorum	……………	9345
8.	ALEXANDRA GASPAR, OANA CRACIUNESCU, MIHAELA TRIF, MAGDALENA MOISEI, LUCIA MOLDOVAN Antioxidant and anti-inflammatory properties of active compounds from Arnica montana L.	……………	9353
9.	FLORENŢA ELENA HELEPCIUC, MONICA ELENA MITOI, ANCA MANOLE-PĂUNESCU, FLORENTINA ALDEA, AURELIA BREZEANU, CĂLINA PETRUŢA CORNEA Induction of plant antioxidant system by interaction with beneficial and/or pathogenic microorganisms	……………	9366
10.	LUCIAN HRITCU, VERONICA BILD, HARQUIN SIMPLICE FOYET, ALIN CIOBICA, IONELA LACRAMIOARA SERBAN, DANIEL TIMOFTE, EMIL ANTON Antioxidative effects of the methanolic extract of Hibiscus asper leaves in mice	……………	9376
11.	IONICA ONCIOIU Increasing agricultural productivity and sustainable development	……………	9384
12.	MARIA RÂPĂ, MONA ELENA POPA, PETRUŢA CĂLINA CORNEA, VLAD IOAN POPA, ELENA GROSU, MIHAELA GEICU-CRISTEA, PETRUŢA STOICA, ELISABETA ELENA TĂNASE Degradation study by trichoderma spp. of poly (3-hydroxybuthyrate) and wood fibers composites	……………	9390
13.	DOINA MARIA CIRSTEA, M. STEFANESCU, JANINA MIHAELA PAHONŢU, CALINA PETRUTA CORNEA Use of some carbon sources by Pseudomonas strains for synthesizing polyhydroxyalkanoates and / or rhamnolipids	……………	9400
14.	ANDREEA L. MATEESCU, MIHAELA M. MITACHE, MARIANA C. CHIFIRIUC, TATIANA VASSU DIMOV Antibiotic resistance of food-borne enterobacterial strains isolated in Bucharest, Romania	……………	9409
15.	IOANNIS G. MYLONAS, ANDREAS GEORGIADIS, APOSTOLOS P. APOSTOLIDIS, KONSTANTINOS BLADENOPOULOS AND METAXIA KOUTSIKA-SOTIRIOU Barley cultivar discrimination and hybrid purity control using RAPD markers	……………	9421
16.	OLIVERA STAJKOVIĆ-SRBINOVIĆ, DUŠICA DELIĆ, DJORDJE KUZMANOVIĆ, NADA PROTIĆ, NATAŠA RASULIĆ AND JELENA KNEŽEVIĆ-VUKČEVIĆ Growth and nutrient uptake in oat and barley plants as affected by rhizobacteria	……………	9429
17.	CARSTEA CLAUDIA, STRASSER HORATIU, IPATE IUDITH, BACILA VASILE STRASSER CONSTANTA Research regarding the role of TRPV1 and capsaicin (CPS) implication for capacitation and acrosome reaction	……………	9437
18.	RADIANA TAMBA-BEREHOIU, CIPRIAN–NICOLAE POPA, LUMINIŢA VIŞAN, STELA POPESCU Correlations between the quality parameters and the technological parameters of bread processing, important for product marketing	……………	9442
19.	VASILE BĂCILĂ, VASILE MACIUC, CĂTĂLIN EMILIAN NISTOR, LIVIA VIDU, SERGIU SORIN CHELMU Research regarding reproduction parameters of cows from Simmental and Friesian body	……………	9448