Genetic transformation of Labisia Pumila using Agrobacterium Tumefaciens

The present protocol was aimed to establish a routine transformation procedure via Agrobaderium tumefaciens for Labisia puml'la var. pumila. The effect of different factors on T-DNA transfer by measuring transcient expression levels of a disarmed strain lBA 4404 harbouring the binary vector...

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Main Author: Ainul Mardziah Mohamed
Format: Thesis
Language:English
Published: 2007
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Online Access:https://eprints.ums.edu.my/id/eprint/19716/1/Genetic%20transformation%20of%20Labisia%20Pumila.pdf
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spelling my-ums-ep.197162018-04-04T08:17:13Z Genetic transformation of Labisia Pumila using Agrobacterium Tumefaciens 2007 Ainul Mardziah Mohamed RS Pharmacy and materia medica The present protocol was aimed to establish a routine transformation procedure via Agrobaderium tumefaciens for Labisia puml'la var. pumila. The effect of different factors on T-DNA transfer by measuring transcient expression levels of a disarmed strain lBA 4404 harbouring the binary vector pBI121 carrying chimeric glucuronidase (GUS) and neomycin phosphotransferase (NP71l) genes examined. Parameters optimized were light influence, types of wounding, types of explant, co-cultivation period, bacterial concentration, shaking influence, addition of glucose, pH, temperature, addition of acetosyringone and addition of sucrose. Improved transformation frequencies were btained with an A. tumefaciens strain carrying kanamycin-type vir genes and when leaves were infected with Agrobaderium cells in the early log growth phase. Optimized cocultivation was performed in the presence of 251-1g/1 of kanamycin. Methods used have expressed up to 77.62% positive transformants. This result were done using leaf explants co-cultivated for two days using a batch of Agrobaderium grown until giving the reading of 0.9 absorbance taken at 600nm wavelength. The leaves were poked using sterile needle and co-cultivated with Agrobacterium at room temperature with the addition of 0.02mg/1 of acetosyringone, 5g/1 of glucose and 15g/1 of sucrose in the pH 7 medium. The mixture was left with 24h lighting and 100rpm aggitation. Expression and presence of transgene was assayed by histochemical test and later confirmed with polymerase chain reaction. Seven percent transgenic plants were micropropagated and successfully acclimatised. The protocol is yet t be proven t enable it t be reproducible. 2007 Thesis https://eprints.ums.edu.my/id/eprint/19716/ https://eprints.ums.edu.my/id/eprint/19716/1/Genetic%20transformation%20of%20Labisia%20Pumila.pdf text en public masters Universiti Malaysia Sabah Faculty of Science and Natural Resources
institution Universiti Malaysia Sabah
collection UMS Institutional Repository
language English
topic RS Pharmacy and materia medica
spellingShingle RS Pharmacy and materia medica
Ainul Mardziah Mohamed
Genetic transformation of Labisia Pumila using Agrobacterium Tumefaciens
description The present protocol was aimed to establish a routine transformation procedure via Agrobaderium tumefaciens for Labisia puml'la var. pumila. The effect of different factors on T-DNA transfer by measuring transcient expression levels of a disarmed strain lBA 4404 harbouring the binary vector pBI121 carrying chimeric glucuronidase (GUS) and neomycin phosphotransferase (NP71l) genes examined. Parameters optimized were light influence, types of wounding, types of explant, co-cultivation period, bacterial concentration, shaking influence, addition of glucose, pH, temperature, addition of acetosyringone and addition of sucrose. Improved transformation frequencies were btained with an A. tumefaciens strain carrying kanamycin-type vir genes and when leaves were infected with Agrobaderium cells in the early log growth phase. Optimized cocultivation was performed in the presence of 251-1g/1 of kanamycin. Methods used have expressed up to 77.62% positive transformants. This result were done using leaf explants co-cultivated for two days using a batch of Agrobaderium grown until giving the reading of 0.9 absorbance taken at 600nm wavelength. The leaves were poked using sterile needle and co-cultivated with Agrobacterium at room temperature with the addition of 0.02mg/1 of acetosyringone, 5g/1 of glucose and 15g/1 of sucrose in the pH 7 medium. The mixture was left with 24h lighting and 100rpm aggitation. Expression and presence of transgene was assayed by histochemical test and later confirmed with polymerase chain reaction. Seven percent transgenic plants were micropropagated and successfully acclimatised. The protocol is yet t be proven t enable it t be reproducible.
format Thesis
qualification_level Master's degree
author Ainul Mardziah Mohamed
author_facet Ainul Mardziah Mohamed
author_sort Ainul Mardziah Mohamed
title Genetic transformation of Labisia Pumila using Agrobacterium Tumefaciens
title_short Genetic transformation of Labisia Pumila using Agrobacterium Tumefaciens
title_full Genetic transformation of Labisia Pumila using Agrobacterium Tumefaciens
title_fullStr Genetic transformation of Labisia Pumila using Agrobacterium Tumefaciens
title_full_unstemmed Genetic transformation of Labisia Pumila using Agrobacterium Tumefaciens
title_sort genetic transformation of labisia pumila using agrobacterium tumefaciens
granting_institution Universiti Malaysia Sabah
granting_department Faculty of Science and Natural Resources
publishDate 2007
url https://eprints.ums.edu.my/id/eprint/19716/1/Genetic%20transformation%20of%20Labisia%20Pumila.pdf
_version_ 1747836523901878272