Researchers discover new cell death pathway in response to DNA damage

Chemotherapy kills cancer cells. But the way these cells die appears to be different than previously understood. Researchers from the Netherlands Cancer Institute, led by Thijn Brummelkamp, have uncovered a completely new way in which cancer cells die: due to the Schlafen11 gene. “This is a very unexpected finding. Cancer patients have been treated with … Read more

Animal Development: Embryonic Development and Morphogenesis

Animal development, also known as embryonic development, encompasses the complex processes through which a single fertilized egg cell transforms into a multicellular organism with distinct tissues, organs, and body structures. This intricate journey involves cellular differentiation, tissue organization, morphogenetic movements, and regulatory mechanisms that orchestrate the formation of body axes, germ layers, organ systems, and … Read more

Microbial Genetics: Genetic Mechanisms in Bacteria and Archaea

Microbial genetics is a specialized field within genetics that focuses on the study of genetic mechanisms in bacteria and archaea, collectively referred to as microorganisms or microbes. These single-celled organisms play crucial roles in various ecosystems, contributing to nutrient cycling, biogeochemical processes, symbiotic relationships, and human health. Microbial genetics explores the diversity, evolution, regulation, and … Read more

Developmental Biology: Processes from Fertilization to Organism Formation

Developmental biology is a fascinating field that explores the processes governing the growth, differentiation, and organization of cells into complex multicellular organisms. From the moment of fertilization, when a sperm cell fuses with an egg cell, to the formation of fully functional organs and tissues, developmental biology seeks to unravel the intricate molecular, cellular, and … Read more

Human Reproductive Biology: Reproduction and Development

Human reproductive biology is a fascinating and complex field that encompasses the processes of reproduction and development from conception to birth. Understanding these processes is crucial not only for scientific knowledge but also for medical advancements, family planning, and reproductive health. Reproduction in humans begins with the union of a sperm cell and an egg … Read more

Plant Anatomy: Structure and Function of Plant Tissues

Plant anatomy is the study of plant structure at cellular and tissue levels. Plant tissues, such as meristematic, dermal, ground, and vascular tissues, each perform distinct functions crucial for plant growth, support, and survival. Meristematic tissue drives growth, while dermal tissue protects against environmental stresses. Ground tissue aids in photosynthesis and storage, while vascular tissue … Read more

Genetics of Cancer: Causes and Treatments

Cancer is a complex group of diseases characterized by uncontrolled cell growth and proliferation. It can affect virtually any part of the body and is caused by a combination of genetic, environmental, and lifestyle factors. The genetics of cancer play a crucial role in understanding its causes, development, progression, and potential treatments. Genetic Basis of … Read more

Cell Division: Mitosis and Meiosis

Cell division is a fundamental process in biology that ensures the growth, development, and reproduction of living organisms. Two main types of cell division are mitosis and meiosis, each with distinct functions and outcomes. Mitosis is responsible for growth, tissue repair, and asexual reproduction, while meiosis is crucial for sexual reproduction and the generation of … Read more

Molecular Biology: Understanding Biological Processes at the Molecular Level

Molecular biology is a branch of biology that explores the structure, function, and interactions of biomolecules, such as DNA, RNA, proteins, lipids, and carbohydrates, at the molecular level. It encompasses a wide range of techniques, methodologies, and disciplines aimed at understanding biological processes, genetic information flow, gene expression, cellular functions, and molecular mechanisms underlying life. … Read more

Botany: Diversity and Adaptations of Plants

Botany, the scientific study of plants, encompasses a vast array of topics ranging from plant structure and function to their evolutionary history, ecological interactions, and economic importance. Plants are essential for life on Earth, serving as the primary producers in ecosystems, providing oxygen, food, shelter, and numerous other resources for humans and other organisms. The … Read more

Wild orangutan observed using plant to treat facial wound

Even though there is evidence of certain self-medication behaviors in animals, so far it has never been known that animals treat their wounds with healing plants. Now, biologists from the Max Planck Institute of Animal Behavior, Germany and Universitas Nasional, Indonesia have observed this in a male Sumatran orangutan who sustained a facial wound. He … Read more

Researchers develop hormone-free plant regeneration using developmental regulator genes

For ages now, plants have been the primary source of nutrition for animals and mankind. Additionally, plants are used for the extraction of various medicinal and therapeutic compounds. However, their indiscriminate use, along with the rising demand for food, underscores the need for novel plant breeding practices. Advances in plant biotechnology can address the problems … Read more

Plant Physiology: Adaptations and Growth Mechanisms

Plant physiology is the branch of biology that focuses on the study of how plants function, grow, develop, and respond to their environment. It encompasses a wide range of topics, including plant anatomy, biochemistry, metabolism, genetics, reproduction, and interactions with biotic and abiotic factors. Understanding plant physiology is essential for agriculture, forestry, ecology, environmental science, … Read more

Study reveals enzyme critical for maintaining stem cell function throughout life

Nothing lives forever, but compared to other cells in the body, hematopoietic stem cells (HSCs) are remarkably long-lived. HSCs are blood-forming cells—they give rise to rapidly dividing progenitor cells, which in turn generate hundreds of billions of cells to fulfill the daily demand of oxygen-delivering red blood cells, disease-fighting white blood cells and clot-forming platelets. … Read more

DNA Structure and Function: Blueprint of Life

DNA (deoxyribonucleic acid) is a molecule that serves as the blueprint of life, carrying the genetic instructions necessary for the growth, development, functioning, and reproduction of all living organisms. Its structure and function are essential components of molecular biology and genetics, providing insights into the fundamental processes that govern life on Earth. DNA Structure The … Read more

Genetics: Inheritance and Molecular Basis of Life

Genetics, the study of heredity and the molecular basis of life, represents a cornerstone of modern biology with profound implications for understanding biological diversity, human health, evolution, and biotechnological applications. At the core of genetics lies the exploration of genetic inheritance, the transmission of traits from parents to offspring, and the molecular mechanisms governing genetic … Read more

The Cell: Fundamental Unit of Life

The cell, often described as the fundamental unit of life, represents the building block of all living organisms. This microscopic entity is the smallest structural and functional unit of life, capable of carrying out the essential processes necessary for an organism’s survival and reproduction. From single-celled organisms like bacteria to complex multicellular organisms like humans, … Read more

Study reveals how daughter cells protect themselves from inherited RNA damage

During the process of cell division, new daughter cells inherit a mix of genetic material and other molecules from their mother cells. This inheritance includes both beneficial components, which can help them for a robust start in life, and potentially harmful mutations or damaged molecules, posing significant challenges for the newly born daughter cells. How … Read more

Arabidopsis mutant hcr3 reveals role of J3 gene in regulating crossover interference during meiosis

A groundbreaking high-throughput genetic screening of meiotic crossover rate mutants in Arabidopsis thaliana has finally unraveled a century-old enigma in the life sciences, shedding light on the intricate molecular mechanisms governing crossover interference during meiosis. Led by Professor Kyuha Choi, Dr. Jaeil Kim, and Ph.D. candidate Heejin Kim from the Department of Life Sciences at … Read more

Cryo-EM structures elucidate parental histone transfer during DNA replication

A research team has recently made a significant breakthrough in understanding how the DNA copying machine helps pass on epigenetic information to maintain gene traits at each cell division. Understanding how this coupled mechanism could lead to new treatments for cancer and other epigenetic diseases by targeting specific changes in gene activity. Their findings have recently been … Read more