Progrès en génie génétique

Progrès en génie génétique
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ISSN: 2169-0111


Genomics 2019: Quantitative gene and environment interactions in Freshwater Prawns, Macrobrachium rosenbergii from laboratory to farm management

Tahereh Alinejad

In this examination, the impact of water temperature and ecological variables on insusceptible quality articulation in the freshwater prawn (Macrobrachium rosenbergii) were estimated by fifteen basic resistant qualities. The quality was picked and planned by our past investigation on M.rosenbergii transcriptome information and proteome. Lab test on the impact of various temperature presented to the freshwater prawns was applied to the indigenous habitat of the freshwater prawn ranch. Two distinct ranches as per the norm and non-standard administration and hardware practice were picked for examining. Assortment of tests were orchestrated at various time span of the day in various water temperatures from 24°C up to 32°C. The quality climate connection of freshwater prawn invulnerable framework against warm stun and the board frameworks was concentrated by applying differential quality articulation profiling (Fluidigm Biomark HD) in three unique organs which are serum, hepatopancreas and muscle. The outcome affirmed that expanding water temperature directly affects freshwater prawn insusceptible reactions. Likewise, the impact of the diverse water temperature on quality articulation in the serum, hepatopancreas and muscle of freshwater prawn was additionally examined by differential quality articulation examination. A correlation of the quality articulation information of the three gatherings indicated invulnerable pathways coding qualities to be fundamentally down-controlled and metabolite coding qualities essentially up-managed in contrast with temperature increase. Our investigation found new quality association in lectin pathway which is Tachylectin as another potential competitor quality for the advancement of natural pressure markers in the freshwater prawn. This investigation additionally gave significant data on the differential articulation of monster new water prawn safe pathway following natural pressure that will assist with improving comprehension of quality climate associations in this species by utilizing 15 qualities that have been planned from transcriptome information acquired in past examination. Besides, ranch ecological examination gave an important data on the impact of the dirt and water content, prawn feed and homestead the executives techniques on freshwater prawn invulnerable quality improvement and ranch yield.


Lately, high-throughput innovation, for example, cutting edge sequencing (NGS) has arisen and is broadly utilized in both genomic and transcriptomic research. NGS innovation can likewise be utilized to examine differential quality articulation on different tissues or certain conditions, for example, stress and microorganism contamination and in both model, and non-model life forms. There are transcriptomic reads for penaeid shrimps, for example, Peneaus monodon, Litopeneaus vannamei , Fenneropeneaus chinensis, Fenneropenaeus merguiensis, and Marsupeneaus japonicus to research tissue-explicit articulation, the pressure reaction, and viral disease. Also, numerous investigations have been performed on entire transcriptome sequencing of the hepatopancreas of M. rosenbergii because of Vibrio parahaemolyticus contamination, hepatopancreas and lymphoid organ in light of white spot disorder infection (WSSV), and intestinal tissue in light of WSSV or the viral PAMP copy (poly I:C). Most as of late, transcriptomic investigation of hematopoietic tissue of M. rosenbergii grown-up prawn in light of MrNV disease has been contemplated. A significant number of differentially bountiful records were had a place with different safe instruments, for example, design acknowledgment receptors, cancer prevention agents, and antimicrobial peptides


To distinguish differentially bounty records related with MrNV contamination, we performed RNA sequencing on six recreates of each solid PL and tentatively MrNV tainted PL. The outcomes demonstrated that 5538 records were differentially communicated with 2413 records were up-directed and 3125 records were down-controlled. Among those records, a portion of these were engaged with the natural safe framework because of viral disease.


To approve our record get together and differential wealth results, we likewise chose 9 focuses for approval with qPCR, and exhibited a low bogus disclosure rate in these qualities. We sifted our rundown of DEGs as indicated by utilitarian gatherings of significance including design acknowledgment proteins (PRPs) and antiviral protein, prophenol oxidase (ProPO) framework, the Toll-IMD flagging pathways, antimicrobial peptides (AMPs) and blood coagulating framework, phagocytosis and apoptosis, cancer prevention agent framework, and RNA impedance (RNAi). Various investigations showed high relationship among's RNAseq and qPCR information . Besides, RNAseq investigations of M. rosenbergii because of bacterial and viral contamination likewise demonstrated high relationship among's RNAseq and qPCR results. To improve our certainty, we approved these outcomes in free organic examples. Blood thickening is a humoral reaction which forestalls hemolymph misfortune and microbial spread during injury . In scavanger, blood coagulating includes cross-connecting total of thickening proteins (CPs) by calcium-subordinate transglutaminase (TGase) delivered by the hemocyte . Past investigations indicated that lysozyme and crustin articulation in M. japonicus were down-managed in TGase exhausted prawn recommending that there is a connection between the blood thickening framework and AMPs. We found that transglutaminase and hemicentin-1-like isoform X2 (HMCN1) articulation were up-controlled. Likewise, we approved the statement of HMCN1 which was up-managed by 5.31-crease in the RNAseq and 16.07-overlap by qPCR. These outcomes recommended that these two blood coagulation parts are included as a reaction to the contamination of MrNV. Besides, up-guideline of two blood coagulation parts, lysozyme, and certain isoforms of crustin may demonstrate a connection between the blood thickening framework and AMPs in M. rosenbergii.