16S rRNA identification was performed for the characterisation of the isolated cyanobacteria with some modifications. Genomic DNA was extracted from the cultures received using the
Quick-DNA™ Fungal/Bacterial Miniprep Kit (Zymo Research, Irvine, CA, USA, Catalogue No. D6005). The 16S target region was amplified using OneTaq
® Quick-Load
® 2X Master Mix (New England Biolabs (Ipswich, MA, USA), Catalogue No. M0486) with the cyano-primers CYA359F (5′GGGGAATCTTCCGCAATGGG-3′), CYA781R (a&b), CYA781Ra (5′-GACTACT GGGGTATCTAATCCCATT-3′), and CYA781Rb (5′-GACTACAGGGGTATCTAATCCCTTT-3′). The PCR products were run on a gel and gel-extracted with a
Zymoclean™ Gel DNA Recovery Kit (Zymo Research, Catalogue No. D4001). The extracted fragments were sequenced in the forward and reverse direction (Nimagen, (Nijmegen, The Netherlands) BrilliantDye™ Terminator Cycle Sequencing Kit V3.1, BRD 3-100/1000) and purified (Zymo Research,
ZR-96 DNA Sequencing Clean-up Kit™, Catalogue No. D4050). The purified fragments were analysed on an
ABI 3500 XL Genetic Analyzer (Applied Biosystems, ThermoFisher Scientific, Waltham, MA, USA). A CLC Bio Main Workbench v 7.6 (Qiagen, Hilden, Germany) was used to analyse the .ab1 files generated by the ABI 3500 XL/ABI 3730 XL Genetic Analyzer, and results were obtained by a BLAST search (NCBI) [22 (
link)].
Ikhane A.O., Sithole S.Z., Cele N.D., Osunsanmi F.O., Mosa R.A, & Opoku A.R. (2024). In Vitro Antioxidant and In Silico Evaluation of the Anti-β-Lactamase Potential of the Extracts of Cylindrospermum alatosporum NR125682 and Loriellopsis cavenicola NR117881. Antioxidants, 13(5), 608.