Создание эффективного процесса биотрансформации L-изолейцина в 4-гидроксиизолейцин методами метаболической инженерии Escherichia coli
Диссертация
В настоящее время сформировался рынок биологически активных добавок, содержащих 4-HIL. Во-первых, считают, что его инсулинотропная активность (при отсутствии инсулинорезистентности) помогает запасать энергию в мышечной ткани (в виде гликогена) и способствует, таким образом, ее пролиферации у спортсменов, занимающихся наращиванием мышечной массы. С другой стороны, 4-HIL предлагается использовать… Читать ещё >
Содержание
- СПИСОК ИСПОЛЬЗУЕМЫХ СОКРАЩЕНИЙ
- 1. ВВЕДЕНИЕ
- 1. 1. Актуальность проблемы
- 1. 4. Цели и задачи работы
- 1. 3. Научная новизна и практическая значимость работы
- 2. ОБЗОР ЛИТЕРАТУРЫ
- 2. 1. Введение
- 2. 2. Сахарный диабет II типа как эволюционный вызов современной цивилизации
- 2. 3. Молекулярно-биологические основы инсулиновой регуляции гомеостаза глюкозы
- 2. 3. 1. ИНЗСД и гомеостаз глюкозы
- 2. 3. 2. Инсулин и его секреция ß--клетками
- 2. 3. 3. Инсулиновая регуляция гомеостаза глюкозы
- 2. 4. Немедикаментозная терапия и профилактика ИНЗСД
- 2. 4. 1. Физические упражнения
- 2. 5. Современная медикаментозная терапия и профилактика ИНЗСД: препараты, корректирующие инсулиновую регуляцию метаболизма глюкозы
- 2. 5. 1. Секретагоги инсулина
- 2. 5. 2. Ингибиторы синтеза глюкозы в печени
- 2. 5. 3. Сенсибилизаторы инсулинового действия и инсулиномиметики
- 2. 6. 4. -гидроксиизолейцин как современное средство лечения и профилактики ИНЗСД
- 3. 1. Бактериальные штаммы и плазмиды
- 3. 2. Среды, условия культивирования штаммов и проведения ферментативных реакций
- 3. 3. Определение относительных метаболических потоков углерода
- 3. 4. Генно-инженерные методики
- 3. 5. Конструирование штаммов и плазмид
- 3. 6. Очистка IDO и его идентификация методом «finger printing»
- 3. 7. Анализ результатов ферментативных реакций и ферментационного культивирования
- 4. 1. Выбор оптимальной стратегии промышленного синтеза 4-HIL: история вопроса
- 4. 2. Идентификация гена ido из Bacillus thuringiensis (2-е-2)
- 4. 2. 1. Выбор стратегии
- 4. 2. 2. Оптимизация культивирования Bacillus thuringiensis 2-е-2 с целью получения биомассы с максимальной удельной активности IDO
- 4. 2. 3. Очистка ШО из грубого клеточного лизата Bacillus thuringiensis 2-е
- 4. 3. Клонирование гена ido и его экспрессия в клетках Е. col
- 4. 4. Разработка «динамической» биотрансформации L-изолейцина в 4-HIL: сопряжение клеточного роста и гидроксилирования L-изолейцина в штамме 2А
- 4. 5. Повышение экономичности процесса биотрансформации: перераспределение углеродного потока от синтеза биомассы к реакции гидроксилирования L-изолейцина
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