Friday, November 15, 2019
Extraction of GAPDH Gene from Grass Species
Extraction of GAPDH Gene from Grass Species The extraction of the GAPDH gene from grass species, for sequencing, to determine which grasses will be most suitable for the stimulation of hydrocarbon-degradation Introduction: Glyceraldehyde-3-phosphate gehydrogenase gene (GAPDH) is a house keeping gene for a crucial enzyme which catalyses an important step in glycolysis, found in all phylogeny. This gene can be extracted and isolated from plant gDNA through the use of PCR. Once cloned, the GAPDH gene will be sequenced and ultimately analysed through bioinformatics for further research. The grasses that will be investigated throughout this experiment are as follows. Cymbopogon Ambiguous, also commonly known as lemon scented grass, mainly grows in NSW, QLD, NT and WA. This grass is a tufted perennial, which has thin dark green coloured leaves, growing 60-100cm tall approximately. As the common name for this grass states, when this grass is crushed it gives off a distinct lemon smell, allowing it to be easily identified. This grass is also quite a hardy grass, it is very tolerant to wind, drought and frost conditions, allowing it to be grown in a variety of different areas. Themeda Triandra, known as Kangaroo Grass is native to Australia, found to be growing in every state and territory (Unkown, n.d. Native Seeds). This grass is a tufted perennial, growing up to 1.5 m tall and 0.5 m wide. This particular grass is quite coarse, with a grey/green leaves, which produce a very distinct red/brown spikelets (Jennifer Liles, 2004) with the head containing the seeds. Themeda Triandra is considered a good grass for occasional grazing; however it does not tolerate heavy or continuous grazing. Meaning it can be a good indicator for the level of animal activity in a certain grassland area, as if grazed too frequently, the grass has been known to disappear, and not re-grow. Dicantheum Carrisium, known as Queensland Blue Grass is a native Australian Grass, grown not only in Queensland, but all parts of Australia. This Grass was originally very popular in Southern Queensland, due to its optimum performance in the weather conditions of the area. Dicantheum Carrisium is a perennial, with an upright tufted appearance. Growing from 30-80cm tall, and 10-15cm wide with flat broad leaves, It is quite a soft texture with typically blue/dark green colour, making it quite distinguishable from many other grasses. Microlaena Stipoides, known as Weeping Grass, is native to Australia and is found in many of the damper regions from Cape York Town to Tasmania (Unknown, n.d. Native Seeds). Microlaena Stopoides is a slowly spreading perennial, growing to approximately 70cm tall, with weeping seed heads. This is a very tough and tolerant grass, suited to many different pH soil levels
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