Elgharbi F, Hlima HB, Farhat-Khemakhem A, Ayadi-Zouari D, Bejar S, Hmida-Sayari A. (2015) Expression of A. niger US368 xylanase in E. coli: Purification, characterization and copper activation. Int J Biol Macromol 74:263-70

Fatma Elgharbi, Aïda Hmida-Sayari, Youssef Zaafouri, Samir Bejar (2015) Expression of an Aspergillus niger xylanase in yeast: Application in breadmaking and in vitro digestion. Int J Biol Macromol, 79: 103–10.

Jemli S, Ayadi-Zouari D, Hlima HB, Bejar S. (2015) Biocatalysts: application and engineering for industrial purposes. Crit Rev Biotechnol Nov 6:1-13.

Rekik H., Zaraî Jaouadi N., Bejar W., Kourdali S., Belhoul M., Hmidi M., Benkiar A., Badis A., Sallem N., Bejar S., Jaouadi B. (2015) Characterization of a purified decolorizing detergent-stable peroxidase from Streptomyces griseosporeus SN9. Int J Biol Macromol 73:253-63

Sahnoun M, Kriaa M, Elgharbi F, Ayadi DZ, Bejar S, Kammoun R. (2015). Aspergillus oryzae S2 alpha-amylase production under Solid State Fermentation: optimization of culture conditions. Int J Biol Macromol 75:73-80

Zaraî Jaouadi N, Rekik H, Ben Elhoul M, Zohra Rahem F, Gorgi Hila C, Slimene Ben Aicha H, Badis A, Toumi A, Bejar S, Jaouadi B. (2015). A novel keratinase from Bacillus tequilensis strain Q7 with promising potential for the leather bating process. Int J Biol Macromol 79:952-964.

Ben Elhoul M, Zaraî Jaouadi N, Rekik H, Bejar W, Boulkour Touioui S, Hmidi M, Badis A, Bejar S, Jaouadi B (2015). A novel detergent-stable solvent-tolerant serine thiol alkaline protease from Streptomyces koyangensis TN650. Int J Biol Macromol 79:871-882

Dorra Zouari Ayadi, Aida Hmida Sayari1, Hajer Ben Hlima1, Sameh Ben Mabrouk1, Monia Mezghani1 and Samir Bejar (2015). Improvement of Trichoderma Reesei Xylanase II thermal stability by Serine to Threonine Surface Mutations. Int J Biol Macromol  72:163-170

Boulkour Touioui S, Zaraî Jaouadi N, Boudjella H, Ferradji FZ, Belhoul M, Rekik H, Badis A, Bejar S, Jaouadi B. (2015). Purification and biochemical characterization of two detergent-stable serine alkaline proteases from Streptomyces sp. strain AH4. World J Microbiol Biotechnol 7:1079-1092.

Ben Hlima H. Zouari Ayadi D., Mezghani M., Bejar S., Nushin A. (2014) : Probing the role of helix <alpha>1 in the acid-tolerance and thermal stability of the Streptomyces sp. SK Glucose Isomerase by Site-Directed Mutagenesis. J Biotechnol 173:1-6

Nadia Zaraî Jaouadi1, Bassem Jaouadi1,*, Hajer Ben Hlima1, Hatem Rekik1, Mouna Belhoul1, Maher Hmidi1, Houda Slimene Ben Aicha2, Chiraz Gorgi Hila2, Abdessatar Toumi2, Nushin Aghajari3, Samir Bejar1 ( 2014).   Probing the Crucial Role of Leu31 and Thr33 of the Bacillus pumilus CBS Alkaline Protease in Substrate Recognition and Enzymatic Depilation of Animal Hide. PLoS One , 9(9), e108367

Mouna Kriaa, Ayadi-Zouari D., Sahnoun M., Jemli S., Bejar s. and Kammoun R. (2014). Improved stability and reusability of cotton-immobilized recombinant Escherichia coli producing US132 Cyclodextrine Glunanotransferase. Ann Microbiol May DOI 10.1007/s13213-014-0870-7

Jaouadi B., Rekik H., Badis A., Zarai Jaouadi N., Belhoul M., Hmidi M., Kourdali S., Fodil J., Bejar S. (2014) Production, purification and characterization of a highly thermostable and humic acid biodegradation peroxidase from a decolorizing Streptomyces albidoflavus strain TN644 isolated from a Tunisian of-shore oil field.  Int Biodeterior Biodegr 20: 36-44

Hmida –Sayari A., Fatma El Gharbi, Ameny F., Rekik H., Blondeau K., Bejar S. (2014). Overexpression and Biochemical Chracterisation of a Thermostable Phytase from Bacillus subtilis US417 in Pichia pastoris.  Mol Biotechnol 56: 839-848

Jemli S, Ayadi-Zouari D, Hlima HB, Bejar S. (2014)  Biocatalysts: application and engineering for industrial purposes. Crit Rev Biotechnol. 6:1-13.

Trabelsi I., Ayadi D., Bejar W., Bejar S., Chouayekh H., Ben Salah R. (2014) Effects of probiotic immobilization in alginate coated with chitosan and gelatin on antibacterial activity. Int J Biol Macromol 64: 84-89.

Bejar W, Gabriel V, Amari M, Morel S, Mezghani M, Maguin E, Fontagné-Faucher C, Bejar S. and Chouayekh H (2013). Characterization of glucansucrase and dextran from Weissella sp. TN610 with potential as safe food additives. Int J Biol Macromol 52: 125-32

Farhat-Khemakhem A., Ben Ali M., Boukhris I., Khemakhem B., Maguin E., Bejar S. and Chouayekh H. (2013) Crucial role of Pro 257 in the thermostability of Bacillus phytases: Biochemical and structural investigation. Int J Biol Macromol 54 : 9-15

Ben Hlima H, Bejar S, Riguet J, Haser R, and Aghajari N.  (2013)a. Identification of critical residues for the activity and thermostability of Streptomyces sp. SK glucose isomerase. Appl Microbiol Biotechnol DOI : 10.1007/s00253-013-4784-2

Jaouadi B., Zaraî Jaouadi N., Rekik H., Naili B., Beji A., Dhouib A.,  and Bejar S. (2013). Biochemical and molecular characterization of Pseudomonas aeruginosa CTM50182 organic solvent-stable elastase. Int J Biol Macromol 60:165-177

Ben Hlima H., Ayadi D., Aghajari N., and Bejar S. (2013)b. Differential properties of native and tagged or untagged recombinant glucose isomerases of Streptomyces sp. SK and possible implication of the glycosylation. J Mol Catal B Enzy 94: 82-87.

Trabelsi I., Bejar W., Ayadi D., Chouayekh H., Kammoun R., and Bejar S., and Ben Salah1 R. (2013). Encapsulation in alginate and alginate coated-chitosan improved the survival of newly probiotic in oxgall and gastric juice. Int J Biol Macromol C:36-42.

Elgharbi F., Hmida-Sayari A., Sahnoun M., Kammoun R., and Bejar S. (2013). Purification and biochemical characterization of a novel thermostable lichenase from Aspergillus niger US368. Carbohydrate polymers 15;98(1):967-75.

Sahnoun M., Naili B., Elgharbi F., Kammoun R., Gabsi K. and Bejar S. (2013).  Effect of Aspergillus oryzae CBS 819.72 -amylase on rheological dough properties and bread quality Biologia : 98: 808-815

Ben Salah R., Trabelsi I., Hamden K., Chouayekh H., and Bejar S. (2013) Lactobacillus plantarum TN8 exhibits protective effects on lipid, hepatic and renal profiles in obese rat Anaerobe. 23C:55-61

Ben Mabrouk S., Zouari Ayadi* D., Ben Hlima H., and Samir B. (2013) Thermostability improvement of maltogenic amylase MAUS149 byerror prone PCR. J Biotechnol Chem 168 :601-606

Ben Mabrouk S., Ayadi-Zouari D., Ben Hlima H., and Bejar S. (2013) Changes in the catalytic properties and substrate specificity of Bacillus sp. US149  Maltogenic amylase by mutagenesis of residue 46. J Ind Microbiol Biotechnol (2013) 40:947–953

Jaouadi Nadia Z., Hatem R., Abdelmalek B., Sahar T., Mouna B., Amina B., Ben Aicha H., Abdessatar T., Samir B., and Jaouadi B. (2013) Biochemical and Molecular Characterization of a Serine Keratinase from Brevibacillus brevis  S575 with Promising Keratin-Biodegradation and Hide-Dehairing Activities  PLoS One. 11;8(10):e76722.

Trabelsi I, Ayadi D, Bejar W, Bejar S, Chouayekh H, Ben Salah R. (2013). Effects of Lactobacillus plantarum immobilization in alginate coated with chitosan and gelatin on antibacterial activity. Int J Biol Macromol. 61:36-42

Mouna Kriaa, Dorra Zouari Ayadi, Samir Bejar et Radhouan Kammoun (2013) Optimisation du processus d’immobilisation d’E. coli/ pAD26 sécrétrice d’une cyclodextrine glucanotransférase sur le polymère carraghénane gélatine.Microbiol. Hyg. Alim. 25, N° 72.

Benkiar A., Zaraî Jaouadi N., Abdelmalek B., Rebzani F., Boulkour Touioui S., Rekik H., Naili B., Zohra Ferradji F., Bejar S. and Jaouadi B.(2013) Biochemical and molecular characterization of a thermo- and detergent-stable alkaline serine keratinolytic protease from Bacillus circulans strain DZ100 for detergent formulations and feather-biodegradation process. Int BiodeteriorBiodegrad 83 :129-138.

Sahnoun M., Bejar S., Sayari A., Triki M.A., Kriaa M. and Kammoun R. (2012) Production, purification and characterization of two -amylase isoforms from a newly isolated Aspergillus Oryzae strain S2 . Process Biochem 47:18-25.

Zaraî Jaouadi N., Jaouadi B, Aghajari N. and Bejar S. (2012) The overexpression of the SAPB of Bacillus pumilus CBS and mutated sapB-L31I/T33S/N99Y alkaline proteases in Bacillus subtilis DB430: New attractive properties for the mutant enzyme Bioresour Technol (105) 142-151.

Zouari Ayadi D., Kammoun R., Jemli S., Chouayekh H. and Bejar S. (2012). Secretion of cyclodextrin glucanotransferase in E.coli using Bacillus subtilis lipase signal peptide and optimisation of culture medium. Ind J Exper Biol 50: 72-79

Ben Hlima H., Aghajari N., Ben Ali M., Haser R. and Bejar S. (2012). Engineered glucose isomerase from Streptomyces sp. SK is resistant to Ca2+ inhibition and Co2+ independent. J Ind Microbiol Biotechnol 39:537–546

Kriaa M., Zouari Ayadi D., Jemli S., Sahnoun M., Bejar S. and Kammoun R. (2012) Improvement of cyclodextrin glycosyltransferase (CGTase) production by recombinant Escherichia coli pAD26 immobilized on the cotton. Biologia 67/6: 1

Jemli S, Ben Ali M., Ben Hlima H., Khemakhem B. and Bejar S. (2012). Mutations affecting the activity of the cyclodextrine glucanotransferase of Paenibacillus pubuli US132: insights into the low hydrolytic activity of cyclodextrin glucanotransferases. Biologia 67: 636-643

Hammami I., Jaouadi B., Ben Bacha A., Rebai A., Bejar S., Nesme X., Rhouma A. (2012). Bacillus subtilis Bacteriocin Bac 14B with a Broad Inhibitory Spectrum: Purification, Amino Acid Sequence Analysis and Physicochemical Characterisation. Biotechnol Bioproc Eng 17: 41-49

Hmida-Sayari A., Taktek S., Elgharbi F., Bejar S. Biochemical characterization, cloning and molecular modeling of a detergent and organic solvent-stable family 11 xylanase from the newly isolated Aspergillus niger US368 strain  Process Biochem 47: 1839-1847.

Ben Salah R., Trabelsi I., Ben Mansour R., Lassoued S., Chouayekh H. and  Bejar S. (2012) A new Lactobacillus plantarum strain, TN8, from the gastro intestinal tract of poultry induces high cytokine production Anaerobe 18 436-444

Farhat-Khemakhem A., Ben Farhat M., Boukhris I , Bejar W, Bouchaala  K. , Kammoun R., Maguin E., Bejar  S. and Chouayekh H.   (2012) Heterologous expression and optimization using experimental designs allowed highly efficient production of the PHY US417 phytase in Bacillus subtilis 168. AMB Express  26;2(1):10. doi: 10.1186/2191-0855-2-10.

Fodil D., Jaouadi B., Badis A., Zaraî Jaouadi N., Ferradji F.Z.,  Bejar S. and  Boutoumi H (2012) A thermostable humic acid peroxidase from Streptomyces sp. strain AH4: Purification and biochemical characterization. Bioresour Technol 111 : 383–390

Ben Mabrouk S., Aghajari N., Ben Ali M., Ben Messaoud E., Juy M., Hazer R., and Bejar S. (2011). Enhancement of the thermostability of the maltogenic amylase MAUS149 by Gly312Ala and Lys436AGR substitutions. Bioresour Technol 102:1740–1746.

Radhouane Kammoun, Ameny Farhat, Hichem Chouayekh, Kameleddine Bouchaala et Samir Bejar. (2011). Phytase production by Bacillus subtilis US417 in submerged and solid state fermentations. Ann Microbiol 2011; DOI 10.1007/s13213-011-0240-7

Rhimi M., Chouayekh H., Gouillouard I., Maguin E. and Bejar S. (2011). Production of D-tagatose, a low caloric sweetener during milk fermentation using L-arabinose isomerase. Bioresour Technol 102:3309-3315.

Ben Ali M., Ghram M., Hmani H., Khemakhem B., Haser R. and Bejar S. (2011)  Toward the smallest active subdomain of a TIM-barrel fold: Insights from a truncated a-amylase Biochem Biophys Res Commun 411 265–270

Bejar W., Farhat-Khemakhem A., Smaoui S., Makni M., Ben Farhat M., Abdelmalek B., Mellouli L., Maguin E., Bejar S. and Chouayekh H. (2011) Selection of Lactobacillus Plantarum TN627 as a new probiotic candidate based on In vitro functional properties Biotechnol Bioproc Eng 16: 1115-1123

Zouari Ayadi D., Kammoun R., Jemli S. and Bejar S. (2011). Excretory overexpression of Paenibacillus pabuli US132 cyclodextrin glucanotransferase (CGTase) in Escherichia coli: gene cloning and optimization of the culture conditions using experimental design. Biologia 66/6: 945-953

Jaouadi B., Abdelmalek B., Zaraî-Jaouadi N. and Bejar S. The bioengineering and industrial applications of bacterial alkaline proteases: the case of SAPB and KERAB. In: Progress in molecular and environmental bioengineering - from analysis and modeling to technology applications, (Ed.) Edité par Dr. Angelo Carpi, InTech, 22 (2011) pp. 445–466.