Relevant bibliographies by topics / Lactococcus lactus

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Lactococcus lactus'

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

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Journal articles on the topic "Lactococcus lactus"

1

Kojic, Milan, Ivana Strahinic, Djordje Fira, Branko Jovcic, and Ljubisa Topisirovic. "Plasmid content and bacteriocin production by five strains ofLactococcus lactisisolated from semi-hard homemade cheese." Canadian Journal of Microbiology 52, no. 11 (2006): 1110–20. http://dx.doi.org/10.1139/w06-072.

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In this study, the plasmid content and bacteriocin production of natural isolates of lactococci were investigated. Five bacteriocin producing lactococcal strains (Lactococcus lactis subsp. lactis BGMN1-2, BGMN1-3, BGMN1-5, BGMN1-6, and BGMN2-7) were isolated as nonstarter microflora of semi-hard homemade cheese and characterized. All isolates contained a number of plasmids. It was shown that lcnB structural genes for bacteriocin lactococcin B were located on large plasmids in all isolates. In the strains BGMN1-3 and BGMN1-5 proteinase prtP genes collocated with lcnB. Furthermore, these strains produced two additional bacteriocins (LsbA and LsbB) with genes responsible for their production and immunity located on the small rolling circle-replicating plasmid pMN5. Using deletion experiments of pMN5, minimal replicon of the plasmid and involvement of a bacteriocin locus in plasmid maintenance were identified. In addition, plasmid curing experiments showed that genes for catabolism or transport of 10 carbohydrates in the strain BGMN1-5 were plasmid located.Key words: lactococci, natural isolates, bacteriocin, plasmid curing.
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Fernández, Antonio, Nikki Horn, Michael J. Gasson, Helen M. Dodd, and Juan M. Rodríguez. "High-level coproduction of the bacteriocins nisin A and lactococcin A by Lactococcus lactis." Journal of Dairy Research 71, no. 2 (2004): 216–21. http://dx.doi.org/10.1017/s0022029904000123.

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In this study, a two-plasmid system for enhanced and consistent biosynthesis of the model lactococcal bacteriocin lactococcin A in non-producing Lactococcus lactis hosts was developed. The system comprised a plasmid carrying the genes lcnA and lciA under the control of the nisin-inducible nisA promoter, and a second plasmid harbouring the lcnC and lcnD genes. The introduction of both plasmids into two strains containing the nisRK genes required for nisin-controlled expression, Lc. lactis FI5876 (a nisin A-producer strain) and FI7847, resulted in production of extracellular lactococcin A at a higher level than that for the parental strain, Lc. lactis WM4. In addition, transformation of the nisin-producing host with both plasmids led to a high-level production of both lactococcal bacteriocins, which may provide a means to exploit their complementary properties in cheese ripening.
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Lee, Peter, and Gaétan M. Faubert. "Expression of the Giardia lamblia cyst wall protein 2 in Lactococcus lactis." Microbiology 152, no. 7 (2006): 1981–90. http://dx.doi.org/10.1099/mic.0.28877-0.

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In this study, Lactococcus lactis was engineered to express Giardia lamblia cyst wall protein 2 (CWP2) at three different subcellular locations, intracellular, secreted or cell-surface-anchored, using nisin as an inducing agent. CWP2 expression did not appear to be detrimental to L. lactis viability. No particular subcellular location of CWP2 expression offered any advantages over the others with respect to decreased toxicity towards the bacteria. All recombinant lactococci experienced a similar reduction in growth rate when induced. It was determined whether recombinant lactococcal cells engineered for cell surface expression of CWP2 were capable of inducing a CWP2-specific mucosal IgA antibody response. Recombinant lactococci were successful at inducing CWP2-specific IgA antibodies. Moreover, in a pilot challenge experiment, mice immunized with these recombinant lactococci demonstrated a significant (63 %) reduction in cyst output. Thus, it has been demonstrated that G. lamblia CWP2 may be expressed in L. lactis and that recombinant lactococcal cells elicit Giardia-specific antibodies which reduce cyst shedding in a murine model.
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Odegov, N. I., R. V. Dorofeev, A. N. Irkitova, I. A. Funk, T. N. Orlova та A. V. Matsyura. "Изучение разнообразия ассоциаций фагов гомологичных молочнокислым бактериям". Ukrainian Journal of Ecology 7, № 4 (2017): 197–206. http://dx.doi.org/10.15421/2017_106.

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Information on the ecology of the "phage-bacterial host" system is given. The interaction of cultures of lactococci from the collection of the Siberian Research Institute of Cheese with associations of phages was investigated. Infection of sensitive cells with bacteriophage led to cell lysis, which was manifested by negative colonies on the lawn of a lactococcal culture. Characteristics of the biological properties of bacteriophages in the composition of phage associations are given (lytic activity, spectrum of lytic activity, specificity of action). Differentiation of species lysotypes of bacteriophages of mesophilic lactococci, selected at a single cheese enterprise in the Altai Territory was noted. The index of the lytic activity of the investigated phage associations ranged from 0.19 (sample of Lactococcus lactis subsp. Lactis biovar diacetylactis) to 0.24 (sample of Lactococcus lactis subsp. Lactis) from studied strains. The value of the lyotype updated coefficient for the entire array of data varied from 0.25 to 1.00. It is concluded that the specificity of cheese biotechnology together with the evolutionary and genetic determinants of the microworld predetermine a constant high risk of cell phagolysis of starter cultures. Experimental studies confirmed the need to consider the phagocyte of lactic acid bacteria in biotechnology.
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Kojic, M., Jelena Lozo, Jelena Begovic, B. Jovcic, and Lj Topisirovic. "Characterization of lactococci isolated from homemade kefir." Archives of Biological Sciences 59, no. 1 (2007): 13–22. http://dx.doi.org/10.2298/abs0701013k.

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Five bacteriocin-producing lactococci isolates from traditionally prepared kefir were determined as Lactococcus lactis subsp. lactis. The analyzed isolates showed different plasmid profiles and no cross inhibition between them was detected. Moreover, natural isolate BGKF26 was resistant to the antimicrobial activity of nisin producing strain NP45. Plasmid curing experiments revealed that the genes encoding bacteriocin and proteinase production are located on separate genetic elements, except in BGKF26. Production of the tested bacteriocins depends on the concentration of casitone or triptone in the medium. Higher concentrations of casitone or triptone induce bacteriocin activity. Our DNA-DNA hybridization analyses suggest that the analyzed antimicrobial compounds probably are lactococcin-like bacteriocins.
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Terzic-Vidojevic, Amarela, Sanja Mihajlovic, Gordana Uzelac, et al. "Identification and characterization of lactic acid bacteria isolated from artisanal white brined Golija cows’ milk cheeses." Archives of Biological Sciences 66, no. 1 (2014): 179–92. http://dx.doi.org/10.2298/abs1401179t.

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The aim of this study was to identify and characterize the lactic acid bacteria (LAB) of artisanal Golija raw and cooked cows? milk cheeses traditionally manufactured without the addition of starter culture. A total of 188 Gram-positive and catalase-negative isolates of Golija cheeses were obtained from seven samples of different ripening time. Phenotypebased assays as well as rep-PCR and 16S rDNA sequence analysis were undertaken for all 188 Lstrains. The most diverse species were isolated from 20-day-old BGGO8 cheese (Lactobacillus fermentum, Lactobacillus plantarum, Lactobacillus casei/paracasei, Lactobacillus sucicola, Lactococcus lactis subsp. lactis, Lactococcus lactis subsp. lactis bv. diacetylactis, Enterococcus faecium, Enterococcus durans and Leuconostoc mesenteroides). In other Golija cheeses Lactobacillus reuteri, Lactobacillus curvatus, Lactobacillus rhamnosus, Lactococcus lactis subsp. cremoris, Lactococcus garvieae, Streptococcus thermophilus and Leuconostoc pseudomesenteroides were found. Pronounced antimicrobial properties showed enterococci (13/42) and lactococci (12/31), while the good proteolytic activity demonstrated lactococci (13/31) and lactobacilli (10/29).
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Kojic, Milan, Ivana Strahinic, and Ljubisa Topisirovic. "Proteinase PI and lactococcin A genes are located on the largest plasmid inLactococcus lactissubsp.lactisbv. diacetylactis S50." Canadian Journal of Microbiology 51, no. 4 (2005): 305–14. http://dx.doi.org/10.1139/w05-009.

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Lactococcus lactis subsp. lactis bv. diacetylactis S50 produces a lactococcin A-like bacteriocin named bacteriocin S50, and cell envelope-associated PI-type proteinase activity. This strain harbours 3 small size plasmids: pS6 (6.3 kb), pS7a (7.31 kb), and pS7b (7.27 kb). Plasmid curing using a combination of novobiocin treatment (10 µg·mL–1) and sublethal temperature (40 °C) resulted in a very low yield (0.17%) of Prt–, Bac–, Bacsderivatives, which retained all 3 small size resident plasmids. Pulsed-field gel electrophoresis of DNA isolated from the strain S50 and cured derivatives in combination with restriction enzyme analysis and DNA–DNA hybridization revealed that S50 contains 2 additional large plasmids: pS140 (140 kb) and pS80 (80 kb). Conjugation experiments using strain S50 as a donor and various lactococcal recipients resulted in Prt+, Bac+, Bacrtransconjugants. Analysis of these transconjugants strongly indicated that plasmid pS140 harbours the prt and bac genes encoding proteinase and bacteriocin production, and immunity to bacteriocin, since each Prt+, Bac+, Bacrtranconjugant contained pS140. Accordingly, none of the Prt–, Bac–, Bacstransconjugants contained this plasmid. pS140 was a self-transmissible conjugative plasmid regardless of the host lactococcal recipient used in the test. Frequency of conjugation of plasmid pS140 did not depend on either the donor or recipient strain.Key words: Lactococcus, plasmids, conjugation, bacteriocin, proteinase.
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Luo, Hongliang, Kai Wan та Hua H. Wang. "High-Frequency Conjugation System Facilitates Biofilm Formation and pAMβ1 Transmission by Lactococcus lactis". Applied and Environmental Microbiology 71, № 6 (2005): 2970–78. http://dx.doi.org/10.1128/aem.71.6.2970-2978.2005.

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ABSTRACT The importance of conjugation as a mechanism to spread biofilm determinants among microbial populations was illustrated with the gram-positive bacterium Lactococcus lactis. Conjugation triggered the enhanced expression of the clumping protein CluA, which is a main biofilm attribute in lactococci. Clumping transconjugants further transmitted the biofilm-forming elements among the lactococcal population at a much higher frequency than the parental nonclumping donor. This cell-clumping-associated high-frequency conjugation system also appeared to serve as an internal enhancer facilitating the dissemination of the broad-host-range drug resistance gene-encoding plasmid pAMβ1 within L. lactis, at frequencies more than 10,000 times higher than those for the nonclumping parental donor strain. The implications of this finding for antibiotic resistance gene dissemination are discussed.
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Wegmann, Udo, Mary O'Connell-Motherway, Aldert Zomer, et al. "Complete Genome Sequence of the Prototype Lactic Acid Bacterium Lactococcus lactis subsp. cremoris MG1363." Journal of Bacteriology 189, no. 8 (2007): 3256–70. http://dx.doi.org/10.1128/jb.01768-06.

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ABSTRACT Lactococcus lactis is of great importance for the nutrition of hundreds of millions of people worldwide. This paper describes the genome sequence of Lactococcus lactis subsp. cremoris MG1363, the lactococcal strain most intensively studied throughout the world. The 2,529,478-bp genome contains 81 pseudogenes and encodes 2,436 proteins. Of the 530 unique proteins, 47 belong to the COG (clusters of orthologous groups) functional category “carbohydrate metabolism and transport,” by far the largest category of novel proteins in comparison with L. lactis subsp. lactis IL1403. Nearly one-fifth of the 71 insertion elements are concentrated in a specific 56-kb region. This integration hot-spot region carries genes that are typically associated with lactococcal plasmids and a repeat sequence specifically found on plasmids and in the “lateral gene transfer hot spot” in the genome of Streptococcus thermophilus. Although the parent of L. lactis MG1363 was used to demonstrate lysogeny in Lactococcus, L. lactis MG1363 carries four remnant/satellite phages and two apparently complete prophages. The availability of the L. lactis MG1363 genome sequence will reinforce its status as the prototype among lactic acid bacteria through facilitation of further applied and fundamental research.
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KIMOTO-NIRA, H., N. MORIYA, H. OHMORI, and C. SUZUKI. "Altered Superoxide Dismutase Activity by Carbohydrate Utilization in a Lactococcus lactis Strain." Journal of Food Protection 77, no. 7 (2014): 1161–67. http://dx.doi.org/10.4315/0362-028x.jfp-13-475.

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Reactive oxygen species, such as superoxide, can damage cellular components, such as proteins, lipids, and DNA. Superoxide dismutase (SOD) enzymes catalyze the conversion of superoxide anions to hydrogen peroxide and dioxygen. SOD is present in most lactococcal bacteria, which are commonly used as starters for manufacturing fermented dairy products and may have health benefits when taken orally. We assessed the effects of carbohydrate use on SOD activity in lactococci. In Lactococcus lactis ssp. lactis G50, the SOD activity of cells grown on lactose and galactose was higher than that on glucose; in Lactococcus lactis ssp. cremoris H61, SOD activity was independent of the type of carbohydrate used. We also investigated the activity of NADH oxidase, which is related to the production of superoxide in strains G50 and H61. Activity was highest in G50 cells grown on lactose, lower on galactose, and lowest on glucose, whereas activity in H61 cells did not differ with the carbohydrate source used. The SOD and NADH oxidase activities of strain G50 in three carbohydrates were linked. Strain G50 fermented lactose and galactose to lactate, acetate, formate, and ethanol (mixed-acid fermentation) and fermented glucose to mainly lactate (homolactic fermentation). Strain H61 fermented glucose, lactose, and galactose to mainly lactate (homolactic fermentation). In strain G50, when growth efficiency was reduced by adding a metabolic inhibitor to the growth medium, SOD activity was higher than in the control; however, the metabolism was homofermentative. Aerobic conditions, but not glucose-limited conditions, increased SOD activity, and mixed-acid fermentation occurred. We conclude that the effect of carbohydrate on SOD activity in lactococci is strain dependent and that the activity of commercial lactococci can be enhanced through carbohydrate selection for mixed-acid fermentation or by changing the energy distribution, thus enhancing the value of the starter and the resulting dairy products.
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Dissertations / Theses on the topic "Lactococcus lactus"

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DeVries, Norman Bart. "Influence of Commercial Starter Media on Biochemical Characteristics of Lactococcus lactus." DigitalCommons@USU, 1999. https://digitalcommons.usu.edu/etd/5462.

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Five strains of Lactococcus lactis were inoculated individually into six commercial bulk set growth media, 11% non-fat dry milk (NDM), and Elliker's broth. After growth in each medium the strains were tested for rate of acid production, and activities of proteinase, aminopeptidase, and lipase/esterase. Growth in commercial starter media significantly influenced acid production rate (P = 0.040), aminopeptidase activity (P < 0.0001), and lipase/esterase activity (P < 0.0001) . For selected strain/media combinations, the duration of induced aminopeptidase and lipase/esterase activity was followed. The chosen strains were grown in selected commercial bulk set media, reinoculated into 11% NDM, and enzyme activity was examined for five successive generations. During growth in 11% NDM, aminopeptidase and lipase/esterase activity began high and appeared to decrease after approximately two generations, as compared to the control. This study demonstrated that it is possible to select specific starter and media combinations to produce a bacterial phenotype that might not change before the cheese is pressed, thereby trapping bacteria with an altered phenotype within the cheese matrix.
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Venema, Konraad. "Bacteriocins from lactic acid bacteria: Lactococcins from Lactococcus lactis and pediocin PA-1 from Pediococcus acidilactici." Groningen : [Groningen] : Rijksuniversiteit Groningen ; [University Library Groningen] [Host], 1995. http://irs.ub.rug.nl/ppn/14012554X.

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Cachon, Rémy. "Etude du comportement cinétique d'une bactérie lactique modèle en culture libre ou immobilisée dans des billes de gel." dijon, 1993. http://www.theses.fr/1993DIJOS030.

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Le travail porte sur l'étude de la croissance, la fermentation lactique et l'utilisation de l'acide citrique par lactococcus lactis ssp. Lactis bv. Diacetylactis en culture libre et en culture immobilisée dans des billes de gel. Un modèle est proposé pour la croissance, la fermentation lactique et l'utilisation de l'acide citrique en réacteur à cellules libres. Ce modèle est généralise a l'effet du ph sur ces métabolismes, il simule correctement des fermentations a ph régule (6,5; 6,0; 5,5; 5,0; 4,5) et une fermentation a ph non régulé. L'acide lactique non dissocie a été identifie comme l'inhibiteur principal de la croissance et de la fermentation lactique. L'évolution physiologique des cellules a été introduite dans le modèle. Pour les cellules immobilisées, le Co métabolisme lactose-citrate à été étudié en réacteur continu a ph constant. Un modèle dynamique de diffusion-réaction-croissance est développe. Il précise les gradients du lactose, de l'acide lactique, du ph, et de l'acide citrique dans les billes et leur incidence sur la croissance et la bioconversion du citrate.
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Kanagachandran, Kanagasooriyam. "The physiology of lactic acid production by Lactococcus lactis IO-1." Thesis, University of Hertfordshire, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267963.

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Barrena, Gonzalez Célia. "Étude de deux bactériocines produites par Lactococcus lactis subsp. Cremoris et Lactococcus lactis subsp. Lactis." Nancy 1, 1996. http://www.theses.fr/1996NAN10002.

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Les bactériocines J46 et H possèdent un spectre d'action relativement large en incluant des bactéries telles que c. Tyrobutyricum. Ces bactéries sont thermostables et tolèrent des pH de 3 à 9, elles sont détruites par des enzymes protéolytiques. Les conditions optimales pour la production de la bactériocine J46 sont : un pH de 5,5 ; une température de 30c et le milieu de culture CGB, cette production étant encore améliorée par la présence de Tween 80. La souche l. Lactis subsp. Lactis H, elle, est capable de produire sa bactériocine en l'absence de lactose. La bactériocine j46 purifiée est une protéine de 3kDa et la bactériocine H semi-purifiée à un poids moléculaire compris entre 6 et 10 kDa. La bactériocine J46 est adsorbée sur les cellules cibles en phase logarithmique de croissance, qui ont une membrane énergisée ; elle provoque la perte de K+ et l'hydrolyse de l'ATP interne. La séquence de la région N-terminale est: Lys-Gly-Gly-Ser-Val-Ile-His-X-Ile-X-His (X étant des résidus identifiés). Le gène structural de la bactériocine J46 est localisé dans un plasmide de 60 kb ; cette bactériocine est synthétisée sous forme d'un peptide précurseur de 51 acides amines avec une extension N-terminale de 24 résidus. Le gène structural de la bactériocine H a été amplifie par PCR, clone et séquence ; l'analyse de sa séquence montre qu'il a une homologie de 100% avec celle de la nisine A
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Okuklu, Burcu Güneş Hatice. "Investigation of chromosomal and plasmid dna profiles of lactococcus lactics ssp. lactis/." [s.l.]: [s.n.], 2005. http://library.iyte.edu.tr/tezler/master/biyoloji/T000396.pdf.

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Thesis (Master)--İzmir Institute of Technology, İzmir, 2005
Keywords: Lactococcus lactis ssp. lactis, chromosome profiling, pulsed field gel electrophoresis, plasmid profiling, plasmid stability. Includes bibliographical references (leaves 58-63)
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Bolhuis, Hendrik. "Multidrug resistance in Lactococcus lactis." [S.l. : [Groningen] : s.n.] ; [University Library Groningen] [Host], 1996. http://irs.ub.rug.nl/ppn/153237724.

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Rawsthorne, Helen. "Oxygen regulation in Lactococcus lactis." Thesis, University of East Anglia, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323335.

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Wang, Hua. "Physical and Functional Events Involved in Conjugal Transfer of Lactose Utilization in Lactococcus lactis subsp. lactis." DigitalCommons@USU, 1992. https://digitalcommons.usu.edu/etd/5386.

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The nature of the cell surface components involved in donor cell clumping (Clu+) and the relationship of Clu+ to high frequency conjugal transfer of lactose utilization (Lac) in Lactococcus lactis subsp. lactis ML3 was examined. Lactose positive (Lac+), Clu+ transconjugants, containing a novel 104 kilobase Lac plasmid, were obtained by mating ML3 with LM2301. When used as Lac+ donors in second round matings, these transconjugants transferred Lac at high frequencies ranging from 10-2 to 10-4 transconjugants per donor CFU. Treatment of donor cells with EDTA and EGTA containing solutions or proteolytic enzymes (proteinase K and chymotrypsin A) resulted in a loss of Clu+. By using a direct plate conjugation technique, these treatments also decreased the capacity for transferring Lac at high frequency. Analysis of cell-surface proteins by SOS-PAGE identified a novel protein of approximately 125 kDa which was present in Clu+ transconjugants, but not in non-clumping transconjugants. These results suggest that Clu+ is required for high frequency Lac transfer in ML3 transconjugants, and at least one large protein is involved in Clu+. De novo synthesis requirements of donor cells for conjugal transfer of Lac were tested on direct plate conjugation technique. Results indicate that de novo protein synthesis and RNA synthesis are not required for conjugal transfer of Lac.
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Qian, Ny. "A [beta]-phosphoglucomutase in carbohydrate metabolism of Lactococcus lactis." Lund : Dept. of Applied Microbiology, Lund University, 1997. http://books.google.com/books?id=RAdrAAAAMAAJ.

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Books on the topic "Lactococcus lactus"

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Eaton, Tracy Jayne. Regulation of gene expression in Lactococcus lactis. University of East Anglia, 1993.

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Swindell, Simon Richard. The influence of conjugation and transposition on lactococcus lactis genome organisation. University of East Anglia, 1992.

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Monteville, Marshall. Mechanisms involved in lactococcal phage adsorption and DNA ejection. 1994.

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Valyasevi, Ruud. The cell surface polysaccharides and membrane protein required for bacteriophage infection of Lactococcus lactis. 1991.

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Salama, Maysoon. The isolation of Lactococcus lactis subsp. cremoris from nature with probes for 16S ribosomal RNAs. 1993.

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Valladao, Marilin. Growth of lactococci relative to antibiotic and quaternary ammonium compounds. 1990.

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Book chapters on the topic "Lactococcus lactus"

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van Belkum, Marco J. "Lactococcins, Bacteriocins of Lactococcus Lactis." In Bacteriocins of Lactic Acid Bacteria. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2668-1_10.

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Le Bourgeois, P., M. L. Mingot-Daveran, and Paul Ritzenthaler. "Lactococcus lactis subsp. lactis ILI403 and Lactococcus lactis subsp. cremoris MG1363." In Bacterial Genomes. Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-6369-3_64.

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Le Bourgeois, Pascal, Philippe Langella, and Paul Ritzenthaler. "Electrotransformation of Lactococcus lactis." In Electrotransformation of Bacteria. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-662-04305-9_6.

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Rallu, Fabien, Alexandra Gruss, and Emmanuelle Maguin. "Lactococcus lactis and stress." In Lactic Acid Bacteria: Genetics, Metabolism and Applications. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1774-3_9.

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Kim, Wonyong. "The genus Lactococcus." In Lactic Acid Bacteria. John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118655252.ch26.

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Campo, Nathalie, Miguel J. Dias, Marie-Line Daveran-Mingot, Paul Ritzenthaler, and Pascal Le Bourgeois. "Genome plasticity in Lactococcus lactis." In Lactic Acid Bacteria: Genetics, Metabolism and Applications. Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-017-2029-8_8.

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Zhang, Juan, Chongde Wu, Feng Xue, Guocheng Du, and Jian Chen. "Stress Responses of Lactococcus lactis." In Stress Responses of Lactic Acid Bacteria. Springer US, 2011. http://dx.doi.org/10.1007/978-0-387-92771-8_10.

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Poolman, Bert, Vincent Juillard, Edmund R. S. Kunji, Anja Hagting, and Wil N. Konings. "Casein-breakdown by Lactococcus lactis." In Lactic Acid Bacteria. Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-61462-0_13.

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Teuber, M. "The genus Lactococcus." In The Genera of Lactic Acid Bacteria. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-5817-0_6.

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Villatoro-Hernández, Julio, Oscar P. Kuipers, Odila Saucedo-Cárdenas, and Roberto Montes-de-Oca-Luna. "Heterologous Protein Expression by Lactococcus lactis." In Recombinant Gene Expression. Humana Press, 2011. http://dx.doi.org/10.1007/978-1-61779-433-9_8.

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Conference papers on the topic "Lactococcus lactus"

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Uryadova, G. T., N. A. Fokina, and L. V. Karpunina. "Film coatings based on exopolysaccharides of lactic acid bacteria and their use." In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.263.

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Thunyarat Pongtharangkul, Ali Demirci, and Virendra M Puri. "Modeling of Nisin Production by Lactococcus lactis." In 2007 Minneapolis, Minnesota, June 17-20, 2007. American Society of Agricultural and Biological Engineers, 2007. http://dx.doi.org/10.13031/2013.23536.

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Sun, Daqing, Xingguang Qu, Xiyan Han, et al. "Expression of Bovine Prochymosin Gene in Lactococcus Lactis." In 2009 3rd International Conference on Bioinformatics and Biomedical Engineering (iCBBE). IEEE, 2009. http://dx.doi.org/10.1109/icbbe.2009.5162832.

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Stoyanova, L. G., L. P. Blinkova, Yu D. Pakhomov, and S. Dbar. "INFLUENCE OF VARIOUS FACTORS ON THE LACTOCOCCUS LACTIS CELLS." In RAD Conference. RAD Association, 2017. http://dx.doi.org/10.21175/radproc.2017.05.

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Liu, Shanna, Ye Han, and Zhijiang Zhou. "PRODUCTION OF ANTI-LISTERIAL BACTERIOCIN PEDIOCIN IN LACTOCOCCUS LACTIS." In 2016 International Conference on Biotechnology and Medical Science. WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789813145870_0082.

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Fokina, N. A., G. T. Uryadova, and L. V. Karpunina. "Exopolysaccharides of lactic acid bacteria: applied aspects." In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.075.

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Exopolysaccharides Lactococcus lactis B-1662 and, to a greater extent, Streptococcus thermophilus have a healing effect on burns in rats. The exopolysaccharide Streptococcus thermophilus also has a prebiotic effect in the poultry body.
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STOŠKUS, Robertas, Jonas JATKAUSKAS, Vilma VROTNIAKIENĖ, and Vida JUOZAITIENĖ. "THE EFFECT OF HOMO - AND HETERO - FERMENTATIVE LACTIC ACID BACTERIA MIX ON THE ENSILED LUCERNE FERMENTATION CHARACTERISTICS AND AEROBIC STABILITY IN BIG BALES." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.029.

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The purpose of this study was to determine the effect of homo- and hetero-fermentative lactic acid bacteria mix on the ensiled lucerne fermentation characteristics and aerobic stability in big bales. The lucerne was ensiled without additives (C) and treated with a mix of bacterial inoculant that contains Lactococcus lactis and Lactobacillus buchneri (50:50) (I). Silage was treated with bacterial inoculant, which significantly increased the total organic acids concentration by 69 %, lactic acid by 92% and acetic acid by 76 %. If the results were compared with the C silage, the inoculation significantly decreased the concentrations of butyric acid by 73 %, ethanol by 53 % and ammonia - N concentration by 33%. Inoculated silage had significantly lowered the yeast count by 59 % and moulds count by 34 %. Compared to the inoculated silage and during the aerobic exposure, the untreated silage maximum temperature was significantly higher (13.9 0C vs 4.6 0C) (P &amp;amp;lt; 0.05). Therefore, the bacterial inoculant improved the quality of fermentation and aerobic stability in lucerne silages.
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Papagianni, Maria, Nicholaos Avramidis, and George Filiousis. "Improving the carbon conversion rate in Lactococcus lactis fermentations: Cloning strategies." In Proceedings of the II International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2007). WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789812837554_0153.

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Guo, Wei-liang, Shuang Yang, Xue Li, Guo-dong Yan, Jia-hui Lu, and Chang-ji Yuan. "Two Modeling Methods for Optimization of the Culture Conditions for Nisin Production by Lactococcus Lactis Subsp. Lactis." In 2010 International Conference on Artificial Intelligence and Computational Intelligence (AICI). IEEE, 2010. http://dx.doi.org/10.1109/aici.2010.69.

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"UNIFIED MODELING OF SEVERAL PERTURBATION EXPERIMENTS IN SYSTEMS BIOLOGY - A Case Study on the Glucose Uptake of Lactococcus Lactis." In International Conference on Bioinformatics Models, Methods and Algorithms. SciTePress - Science and and Technology Publications, 2011. http://dx.doi.org/10.5220/0003158103090312.

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