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Схема протокола Rapid Sequencing
Тагментация ДНК
Пришивание адаптеров
секвенирования
Что нужно для запуска Rapid?
Что нужно для запуска Rapid?
Схема протокола 1D Genomic DNA by ligation
Схема протокола 1D Genomic DNA by ligation
Covaris g-Tube
или
шприц
Схема протокола 1D Genomic DNA by ligation
Covaris g-Tube
или
шприц
21G 20 раз
или
26G 3-5 раз
Схема протокола 1D Genomic DNA by ligation
(FFPE Repair Mix)
End repair / dA-tailing module
Blunt/TA Ligase Mix
AMPure beads
Схема протокола 1D Genomic DNA by ligation
(FFPE Repair Mix)
End repair / dA-tailing module
Blunt/TA Ligase Mix
AMPure beads
Схема протокола 1D Genomic DNA by ligation
Очистка библиотеки
SPRI bead technology: Solid Phase Reversible Immobilization
Очистка библиотеки
Протокол 1D^2 by ligation
Схема протокола 1D^2 by ligation
Схема протокола 1D^2 by ligation
Баркодирование библиотек
• Лигирование баркодов
• Native barcoding kit для 1D
Баркодирование библиотек
• Лигирование баркодов
• Native barcoding kit для 1D
• Присоединение транспозомным
комплексом
• Rapid Barcoding Sequencing Kit
Баркодирование библиотек
• Лигирование баркодов
• Native barcoding kit для 1D
• Присоединение транспозомным
комплексом
• Rapid Barcoding Sequencing Kit
• Баркоды на ПЦР-праймерах
• PCR Barcoding Kit
Промывание ячейки
Flow Cell Wash Kit Раствор А
отделяет библиотеку от мембраны
Раствор В
промывает ячейку для немедленного использования
Раствор S
промывает ячейку и позволяет хранить ее
Схема протокола 1D Amplicon by ligation
Схема протокола 1D Amplicon by ligation
Промывание ячейки
Flow Cell Wash Kit
Требования к качеству ДНК
●Чистота ДНК по Nanodrop:
● OD 260/280 в пределах 1,8 – 2,0
● OD 260/230 не ниже 2.0
●Без детергентов и других ПАВ
●Размер фрагментов >30kb
●Соотношение концентраций согласно Qubit и Nanodrop должно быть
не больше, чем 1 : 1,5
Требования к качеству ДНК
Чистота ДНК по
Nanodrop:
■ OD 260/280 в пределах 1,8
– 2,0
■ OD 260/230 не ниже 2.0
ДНК должна быть высокомолекулярной
https://twitter.com/baptistemayjon1/status/818484473780203520
Длина прочтения == длина фрагмента ДНК
Сколько ДНК надо для протоколов без ПЦР?
Rapid 1D 1D^2 Direct cDNA Direct RNA
400 нг 1 - 2 мкг 1 - 2 мкг 250 нг 500 нг
очищенной от рРНК
Сколько ДНК надо для протоколов без ПЦР?
Часть 3.Применения нанопорного секвенирования.
● Основные стадии секвенирования на Oxford Nanopore
● Полногеномное секвенирование: соединяй и властвуй
● Секвенирование ампликонов: 16S, 18S, и другие
● Секвенирование кДНК и прямое секвенирование РНК
● Неофициальные подсказки: как повысить ваши шансы на успех?
3.1. Основные стадии секвенирования на Oxford Nanopore
Выделение ДНК
С помощью колонок
30 kb
Выделение ДНК
С помощью колонок Genomic tips
50-100 kb30 kb
Выделение ДНК
Фенол-хлороформная экстракция
200-300 kb
Выделение ДНК
С помощью диализа Выделение ДНК в агарозе
~ 1000 kb150-250 kb
Подготовка к секвенированию
MinKNOW: центр управления секвенатором
Проверка прибора
Секвенирование

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Pt2 nanopore