Sains Malaysiana 31: 189-196 (2002)                                                                                           Sains Hayat /

Life Science

 

Pengklonan cDNA Berkait Pemasakan Buah Cili

(Cloning of cDNA related to ripening of chilli)

 

 

Zamri Zainal

Pusat Pengajian BioSains dan Bioteknologi

Fakulti Sains dan Teknologi

Universiti Kebangsaan Malaysia

43600 UKM Bangi, Selangor D.E., Malaysia

 

 

 

ABSTRAK

 

Proses pemasakan buah melibatkan beberapa perubahan yang ketara, antaranya perubahan warna, perisa dan tekstur. Perubahan ini mempunyai nilai ekonomi serta menjadi indek kualiti tahap pemakanan buah tersebut. Setiap perubahan ini diatur oleh gen yang mana boleh diklon dan dikaji. Dalam kajian ini sebuah perpustakaan cDNA dari tisu perikarpa buah cili (Capsicum annuum L.) telah berjaya dibina. Perpustakaan ini mengandungi sebanyak 1.84 X 106 faj rekombinan. Kejayaan ini akan membuka ruang kajian terhadap mekanisma pemasakan cili di peringkat molekul.

 

 

ABSTRACT

 

Fruit ripening is a complex process and involves several changes including colour, flavour and texture of the fruits. These changes have a significant economic values and are used as an eating quality index. The changes are regulated at the gene level. The genes that cause such changes can be cloned and further studied. The paper reported, the construction of a cDNA library from tissues of the chilli (Capsicum annuum L.) pericarp at different stages of ripening. The cDNA library consists of approximately 1.84 X 106 of phage recombinants. This finding will open up research opportunities related to the mechanism of ripening in chilli at the molecular level.

 

 

RUJUKAN/REFERENCES

 

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Fisher, R.L. & Bennett, A.B. 1991. Role of cell wall hydrolases in fruit ripening Annual Review of Plant Physiology and Plant Molecular Biology 42: 675-703.

Gray, J., S. Picton, J. Shabbeer, W. Schuch & D. Grierson 1992. Molecular biology of fruit ripening and its manipulation with antisense genes. Plant Molecular Biology 19: 69-87

Jendrisak, J., Young, R.A & Engel, J.D. 1987. Cloning cDNA into λgtl0 and λgt11. Dlm. Bergeer, S.L. & Kimmel, A.R. (pnyt.). Guide to molecular cloning techniques. Methods Enzymol. 152: 359-371.

Kramer, M.G. & Radenbaugh, K. 1994. Commercialization of a tomato with an antisense polygalacturonase gene: The FLAVR SAVRTM tomato story. Euphytica. 79: 297-297.

Leong A.C, Vimala P & Ding T.H. 1985. A Guide to Chilli Cultivation in Peninsular Malaysia. Teknol. Sayur-sayuran 1: 14-44.

Logermann, J., J. Schell & L. Willmitzer. 1987. Improved method for the isolation of RNA from plant tissues. Anal. Biochem. 163: 16-20.

Lopez-Gomez, R. & Gomez-Lim. M.A. 1992. A method for extracting intact RNA from fruit rich in polysaccharides using ripe mango mesocarp. Hortscience, 27: 440-442

Ross, G.S., Wegrzyn, T., Macrae, E.A. & Redgwell, R.J. 1994. Apple b-galactosidase activity against cell wall polysaccharides and characterization of a related cDNA clone. Plant Physiology, 106: 521-528.

Slater, A., Maunders, M.J., Edwards, K., Schuch, W. & Grierson, D. 1985.  Isolation and characterication of cDNA clones for tomato polygalacturonase and other ripening related proteins. Plant Molecular Biology, 5: 137-147.

Vimala, P. & Kho, B.L. 1985. Micro-nutrient deficiency symptoms of chilli (Capsicum annuum).  Teknolo. Sayur-sayuran 1: 30-34.

 

 

 

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