Desaturase Delta-6 mRNA Expressions In Highly Unsaturated Fatty Acids Biosynthesis Pathway During Follicle Maturation In Female Zebrafish (Danio rerio)
Sangat sedikit yang diketahui tentang sintesis asid lemak tidak tepu seperti asid eikosapentanoik (EPA, C20:5n-3), asid dokosaheksaenoik acid (DHA, C22:6n- 3) dan asid arakidonik (ARA, C20:4n-6), atau secara berkumpulan lebih dikenali sebagai asid lemak sangat tidak tepu (HUF A), di dalam ovari i...
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| Format: | Thesis |
| Language: | English |
| Published: |
2010
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| Subjects: | |
| Online Access: | http://eprints.usm.my/32377/ http://eprints.usm.my/32377/1/SAIRA_TUL_DAHLIANIS_ISHAK_24%28NN%29.pdf |
| _version_ | 1848876795621801984 |
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| author | Ishak, Sairatul Dahlianis |
| author_facet | Ishak, Sairatul Dahlianis |
| author_sort | Ishak, Sairatul Dahlianis |
| building | USM Institutional Repository |
| collection | Online Access |
| description | Sangat sedikit yang diketahui tentang sintesis asid lemak tidak tepu seperti
asid eikosapentanoik (EPA, C20:5n-3), asid dokosaheksaenoik acid (DHA, C22:6n-
3) dan asid arakidonik (ARA, C20:4n-6), atau secara berkumpulan lebih dikenali
sebagai asid lemak sangat tidak tepu (HUF A), di dalam ovari ikan walaupun ia
memainkan peranan yang sangat penting dalam pembiakan vertebrata ini. Ikan
zebrafish (Dania rerio) mempamerkan keupayaan untuk mensintesis ketiga-tiga
HUF A ini melalui kitaran yang melibatkan desaturasi dan elongasi dua prekursor
iaitu asid linoleik (LA, Cl8:2n-6) dan asid linolenik (LNA, Cl8:3n-3). Bagi lebih
memahami kepentingan serta pengawalaturan sintesis HUF A dalam ovari, kaj ian ini
menunjukkan corak ekspresi mRNA untuk desaturase (jadsd6), iaitu satu enzim perlu
yang terlibat dalam kitaran biosintesis HUF A dalam lima peringkat folikel ovari
zebrafish yang berbeza iaitu pre-vitelogenik, vitelogenik awal, vitelogenik akhir,
kematangan dan ovulasi. Aras mRNA bagi fadsd6 dalam peringkat-peringkat folikel
ovari yang berbeza ini ditentukan oleh kaedah esei RT-PCR.
Very little is known about the synthesis of unsaturated fatty acids such as
eicosapentaenoic acid (EPA, C20:5n-3), docosahexaenoic acid (DHA, C22:6n-3) and
arachidonic acid (ARA, C20:4n-6), or collectively known as the highly unsaturated
fatty acids (HUF A), in the fish ovary although they play pivotal roles in this
vertebrate reproduction. The zebrafish (Dania rerio) display capability to synthesize
all three HUF A via pathways involving desaturation and elongation of two
precursors, the linoleic acid (LA, C18:2n-6) and linolenic acid (LNA, Cl8:3n-3). In
order to gain understanding on the importance and regulation of ovarian HUF A
synthesis, this study shows the mRNA expression pattern of desaturase (jadsd6), an
essential enzyme involved in HUF A biosynthesis pathway, in five different zebrafish
ovarian follicle stages; pre-vitellogenic, early vitellogenic, late vitellogenic,
maturation and ovulation stages. The mRNA levels of fadsd6 in different ovarian
follicle stages were determined by semi-quantitative RT-PCR assays.
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| first_indexed | 2025-11-15T17:05:14Z |
| format | Thesis |
| id | usm-32377 |
| institution | Universiti Sains Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T17:05:14Z |
| publishDate | 2010 |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | usm-323772019-04-12T05:26:51Z http://eprints.usm.my/32377/ Desaturase Delta-6 mRNA Expressions In Highly Unsaturated Fatty Acids Biosynthesis Pathway During Follicle Maturation In Female Zebrafish (Danio rerio) Ishak, Sairatul Dahlianis QH1 Natural history (General - Including nature conservation, geographical distribution) Sangat sedikit yang diketahui tentang sintesis asid lemak tidak tepu seperti asid eikosapentanoik (EPA, C20:5n-3), asid dokosaheksaenoik acid (DHA, C22:6n- 3) dan asid arakidonik (ARA, C20:4n-6), atau secara berkumpulan lebih dikenali sebagai asid lemak sangat tidak tepu (HUF A), di dalam ovari ikan walaupun ia memainkan peranan yang sangat penting dalam pembiakan vertebrata ini. Ikan zebrafish (Dania rerio) mempamerkan keupayaan untuk mensintesis ketiga-tiga HUF A ini melalui kitaran yang melibatkan desaturasi dan elongasi dua prekursor iaitu asid linoleik (LA, Cl8:2n-6) dan asid linolenik (LNA, Cl8:3n-3). Bagi lebih memahami kepentingan serta pengawalaturan sintesis HUF A dalam ovari, kaj ian ini menunjukkan corak ekspresi mRNA untuk desaturase (jadsd6), iaitu satu enzim perlu yang terlibat dalam kitaran biosintesis HUF A dalam lima peringkat folikel ovari zebrafish yang berbeza iaitu pre-vitelogenik, vitelogenik awal, vitelogenik akhir, kematangan dan ovulasi. Aras mRNA bagi fadsd6 dalam peringkat-peringkat folikel ovari yang berbeza ini ditentukan oleh kaedah esei RT-PCR. Very little is known about the synthesis of unsaturated fatty acids such as eicosapentaenoic acid (EPA, C20:5n-3), docosahexaenoic acid (DHA, C22:6n-3) and arachidonic acid (ARA, C20:4n-6), or collectively known as the highly unsaturated fatty acids (HUF A), in the fish ovary although they play pivotal roles in this vertebrate reproduction. The zebrafish (Dania rerio) display capability to synthesize all three HUF A via pathways involving desaturation and elongation of two precursors, the linoleic acid (LA, C18:2n-6) and linolenic acid (LNA, Cl8:3n-3). In order to gain understanding on the importance and regulation of ovarian HUF A synthesis, this study shows the mRNA expression pattern of desaturase (jadsd6), an essential enzyme involved in HUF A biosynthesis pathway, in five different zebrafish ovarian follicle stages; pre-vitellogenic, early vitellogenic, late vitellogenic, maturation and ovulation stages. The mRNA levels of fadsd6 in different ovarian follicle stages were determined by semi-quantitative RT-PCR assays. 2010-06 Thesis NonPeerReviewed application/pdf en http://eprints.usm.my/32377/1/SAIRA_TUL_DAHLIANIS_ISHAK_24%28NN%29.pdf Ishak, Sairatul Dahlianis (2010) Desaturase Delta-6 mRNA Expressions In Highly Unsaturated Fatty Acids Biosynthesis Pathway During Follicle Maturation In Female Zebrafish (Danio rerio). Masters thesis, Universiti Sains Malaysia. |
| spellingShingle | QH1 Natural history (General - Including nature conservation, geographical distribution) Ishak, Sairatul Dahlianis Desaturase Delta-6 mRNA Expressions In Highly Unsaturated Fatty Acids Biosynthesis Pathway During Follicle Maturation In Female Zebrafish (Danio rerio) |
| title | Desaturase Delta-6 mRNA Expressions In Highly Unsaturated Fatty Acids Biosynthesis Pathway During Follicle Maturation In Female Zebrafish (Danio rerio) |
| title_full | Desaturase Delta-6 mRNA Expressions In Highly Unsaturated Fatty Acids Biosynthesis Pathway During Follicle Maturation In Female Zebrafish (Danio rerio) |
| title_fullStr | Desaturase Delta-6 mRNA Expressions In Highly Unsaturated Fatty Acids Biosynthesis Pathway During Follicle Maturation In Female Zebrafish (Danio rerio) |
| title_full_unstemmed | Desaturase Delta-6 mRNA Expressions In Highly Unsaturated Fatty Acids Biosynthesis Pathway During Follicle Maturation In Female Zebrafish (Danio rerio) |
| title_short | Desaturase Delta-6 mRNA Expressions In Highly Unsaturated Fatty Acids Biosynthesis Pathway During Follicle Maturation In Female Zebrafish (Danio rerio) |
| title_sort | desaturase delta-6 mrna expressions in highly unsaturated fatty acids biosynthesis pathway during follicle maturation in female zebrafish (danio rerio) |
| topic | QH1 Natural history (General - Including nature conservation, geographical distribution) |
| url | http://eprints.usm.my/32377/ http://eprints.usm.my/32377/1/SAIRA_TUL_DAHLIANIS_ISHAK_24%28NN%29.pdf |