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short-communication | 29-May-2020

Effect of Chlorella vulgaris on Growth and Photosynthetic Pigment Content in Swiss Chard (Beta vulgaris L. subsp. cicla)

(Barickman and Kopsell 2016). Although few pieces of researches focused on the investigation of EM application in Swiss chard (Daiss et al. 2008; Mouhamad et al. 2017), there is no information about green microalgae utilization in Swiss chard production for yield enhancement and/or quality improvement. Therefore, the aim of this research was to investigate the application of microalgae C. vulgaris and its effect on initial plant growth and photosynthetic pigment content in Swiss chard leaves. The

TIMEA HAJNAL-JAFARI, VLADIMIRA SEMAN, DRAGANA STAMENOV, SIMONIDA ĐURIĆ

Polish Journal of Microbiology, Volume 69 , ISSUE 2, 235–238

Short Communication | 30-March-2017

Vital Staining of Bacteria by Sunset Yellow Pigment

In this study, we describe a method for discriminating pathogenic bacteria with a dye. First, we determined that among several colours tested, the sunset yellow pigment easily coloured Escherichia coli bacteria yellow. Next, we demonstrated that E. coli O157:H7, Shigella flexneri O301, Staphylococcus aureus and Bacillus subtilis could all be well marked by sunset yellow pigment. Finally, we performed bacterial viability assays and found there was no effect on bacterial growth when in co-culture

Peng Gao, Chengming Sun, Yuxia Li, Xiaohua Zou, Xun Wu, Yan Ling, Caifu Luan, Huipeng Chen

Polish Journal of Microbiology, Volume 66 , ISSUE 1, 113–117

original-paper | 27-March-2019

Thermoregulation of Prodigiosin Biosynthesis by Serratia marcescens is Controlled at the Transcriptional Level and Requires HexS

and Fang 2000). Some of the most studied secondary metabolites are pigments such as violacein and prodigiosin (Williamson et al. 2006; Choi et al. 2017). Both of these pigments are antimicrobial and therefore likely contri bute to microbe-microbe interactions (Danevcic et al. 2016a; Danevcic et al. 2016b; Im et al. 2017; Hage-Hulsmann et al. 2018). This study focuses on the regulation of prodigioisin, a red tri-pyrole pigment made by Serratia species and a handful of other organisms. While the

ERIC G. ROMANOWSKI, KARA M. LEHNER, NATALIE C. MARTIN, KRIYA R. PATEL, JAKE D. CALLAGHAN, NICHOLAS A. STELLA, ROBERT M.Q. SHANKS

Polish Journal of Microbiology, Volume 68 , ISSUE 1, 43–50

original-paper | 17-September-2021

The Effect of Long-Term Storage on Mycobacterium bovis

conditions, underwent permanent changes leading to growth as yellow, orange, or blue-green pigment colonies. Also, the generation of L-forms of vesicular type, acid fast-negative thread-like, rod-shaped variants, and elementary bodies pushed out of the latter were observed. Secondly, the mycobacterial metabolism changed because they were able to grow on nutrient medium and Lövenstein-Jensen medium with sodium salicylate. Their capability to reduce nitrate and hydrolyze Tween-80 was diminished. The

OLEXIY TKACHENKO, NATALI KOZAK, MARYNA BILAN, VOLODYMYR HLEBENIUK, NATALIA ALEKSEEVA, LILIYA KOVALEVA, VITALII NEDOSEKOV, OLEXANDR GALATIUK

Polish Journal of Microbiology, Volume 70 , ISSUE 3, 327–337

Original Paper | 15-March-2016

Biochemical and Molecular Characterization of Carotenogenic Flavobacterial Isolates from Marine Waters

pigment produced by most of the organisms of the family Flavobacteriaceae. Vitellibacter sp. and Formosa sp. were found to produce higher amount of carotenoids compared to Arenibacter sp. and zeaxanthin was found to be the major carotenoid produced by these two species. The study indicated that Vitellibacter sp. and Formosa sp. can be exploited for production of carotenoids, particularly zeaxanthin.

Rama Sowmya, Nakkarike M. Sachindra

Polish Journal of Microbiology, Volume 65 , ISSUE 1, 77–88

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