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2024/08/06
Validation of a new protocol for a zebrafish MEFL (malformation or embryo-fetal lethality) test method that conforms to the ICH S5 (R3) guideline.
2024/05/21
In vivo assessment of individual and total proteinuria in zebrafish larvae using the solvatochromic compound ZMB741
2021/10/31
Generation of a Transgenic Zebrafish Line for In Vivo Assessment of Hepatic Apoptosis
2021/08/19
Patient-Derived Cancer Xenograft Zebrafish Model (PDXZ) for Drug Discovery Screening and Personalized Medicine
2021/07/09
Establishment of a Quality Control Protocol for Zebrafish Developmental Toxicity Studies
2020/10/13
Gap junction protein beta 4 plays an important role in cardiac function in humans, rodents, and zebrafish
2020/05/28
A novel orexin antagonist from a natural plant was discovered using zebrafish behavioural analysis
2019/10/15
C3orf70 Is Involved in Neural and Neurobehavioral Development
2019/09/22
Generation of a Triple-Transgenic Zebrafish Line for Assessment of Developmental Neurotoxicity during Neuronal Differentiation
2019/07/17
Aging-associated microstructural deterioration of vertebra in zebrafish

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2000/01/01
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Automated DNA fragment collection by capillary array gel electrophoresis in search of differentially expressed genes.

T. Irie, T. Oshida, H. Hasegawa, Y. Matsuoka, Li T, Y. Oya, T. Tanaka,G. Tsujimoto,H. Kambara.
Electrophoresis 21: 367-374, 2000.

Abstract

An automatic DNA fragment collector using capillary array gel electrophoresis has been developed. A sheath flow technique is used for not only detection but also collection of DNA fragments. In a sheath flow cell, the DNA fragments separated by 16 capillaries flow independently into corresponding sampling capillaries. The fraction collector consists of 16 sampling trays and each sampling tray is set beneath each end of the sampling capillaries to collect the flow-through DNA fragments. Certain DNA fragments are automatically sorted by controlling the movement of the sampling trays according to the signals from the system. The collector experimentally separated two mixtures of polymerase chain reaction (PCR) products: one prepared by using eight different sizes (base lengths from 161 to 562) of DNAs; and the other prepared by a differential display (DD) method with cDNA fragments. Collected DNA fragments are amplified by PCR and measured by electrophoresis. DNA fragments with base length differences of one (base lengths 363 and 364) were successfully separated. A separated DNA fragment from the DD sample was also successfully sequenced. In addition, differentially expressed DNA fragments were automatically sorted by comparative analysis, in which two similar cDNA fragment groups, labeled by two different fluorophores, respectively, were analyzed in the same gel-filled capillary. These results show that the automatic DNA fragment collector is useful for gene hunting in research fields such as drug discovery and DNA diagnostics.

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