Nutrient Uptake PDF

Parsu CFAMS Nutrient Uptake Presented by GROUP 3  Introduction of Parsu CFAMS Nutrient Uptake Nutient Uptake is the process in which minerals enters the celluar materials, typically following the path way as water. The most normal entranc...

Parsu CFAMS Nutrient Uptake Presented by GROUP 3  Introduction of Parsu CFAMS Nutrient Uptake Nutient Uptake is the process in which minerals enters the celluar materials, typically following the path way as water. The most normal entrance portal for mineral uptake is through the plant root During transport throughout the plant, minerals can exit xylem and enter cell that require theme. Mineral ions across plasma membrane by the chemiosmotic mechanism 02 Plant absorb minerals in ionic form, nitrate, posphate and potassium ions; have all difficulty crossing a charge plasma membrane.  Parsu CFAMS Types of Nutrient Uptake PASSIVE UPTAKE ACTIVE UPTAKE 03  Parsu CFAMS PASSIVE UPTAKE 04 PASSIVE UPTAKE Parsu CFAMS 05 PASSIVE UPTAKE Parsu CFAMS 06 PASSIVE UPTAKE Parsu CFAMS 07 PASSIVE UPTAKE Parsu CFAMS 08 PASSIVE UPTAKE Parsu CFAMS 09 PASSIVE UPTAKE Parsu CFAMS 10 PASSIVE UPTAKE Parsu CFAMS 11 PASSIVE UPTAKE Parsu CFAMS 12  Parsu CFAMS ACTIVE UPTAKE 18 ACTIVE UPTAKE Parsu CFAMS 19 ACTIVE UPTAKE Parsu CFAMS 20 ACTIVE UPTAKE Parsu CFAMS 21 ACTIVE UPTAKE Parsu CFAMS 22 ACTIVE UPTAKE Parsu CFAMS 23 ACTIVE UPTAKE Parsu CFAMS 24 ACTIVE UPTAKE Parsu CFAMS 25 ACTIVE UPTAKE Parsu CFAMS 26 ACTIVE UPTAKE Parsu CFAMS 27 ACTIVE UPTAKE Parsu CFAMS 28 ACTIVE UPTAKE Parsu CFAMS 29 Parsu CFAMS 30 Parsu CFAMS 31 Parsu CFAMS 32 Parsu CFAMS 33 Macronutrients Parsu CFAMS and Micronutrients Nutrients are considered essential for plants: macronutrients and micronutrients. Macronutrients are the building blocks of crucial cellular components like proteins and nucleic acids; as the name suggests, they are required in large quantities. Nitrogen, phosphorus, magnesium, and potassium are some of the most important macronutrients. Carbon, hydrogen, and oxygen are also considered macronutrients as they are required in large quantities to build the larger organic molecules of the cell; however, they represent the non-mineral class of macronutrients. Micronutrients, including iron, zinc, manganese, and copper, are required in very small amounts. Micronutrients are often required as cofactors for enzyme activity. 33 Macronutrients Parsu CFAMS and Micronutrients Mineral nutrients are typically obtained from soil through plant roots, but factors such as soil chemistry, composition, water content, pH, and compaction can affect their efficiency. Some plants have evolved nutrient uptake mechanisms that are adapted to their native soils, such as changes in root structure. These adaptations increase the overall surface area of the root to increase nutrient acquisition or elongate the root system to access new nutrient sources. This leads to greater root to shoot ratios in nutrient-limited plants. Plants show different responses to specific nutrient deficiencies, with common changes being inhibition of primary root growth, increased lateral root growth and density, and increased root hair growth and density. These responses can vary between species and can be attributed to various factors. 33 Macronutrients and Micronutrients Parsu CFAMS 33 Macronutrients Parsu CFAMS and Micronutrients Nutrient deficiencies can harm plant productivity, but excess nutrients can be toxic. High levels of micronutrients can cause reactive oxygen species (ROS) and cellular damage. Toxic elements like lead and cadmium can enter the food web through nutrient uptake systems, reducing essential nutrient uptake and affecting plant growth and quality. To maintain nutrient homeostasis, plants must regulate nutrient uptake and respond to soil and plant changes. They use strategies like mobilization, chelation, transport, and storage to achieve this. 33 Macronutrients Parsu CFAMS and Micronutrients Potassium is a crucial macronutrient for plants, playing a vital role in cellular growth and balancing the charges of cellular anions. Deficiency in potassium occurs frequently in plants grown on sandy soils, causing symptoms such as browning of leaves, curling of leaf tips, and yellowing of leaves. Potassium uptake processes have been extensively studied, with early studies suggesting that plants use both high and low affinity transport systems to directly acquire potassium from the soil. Under conditions of potassium limitation, plants usually induce high affinity K+ transport systems, with two proteins in Arabidopsis being the most important. Iron is essential for plant growth and development and is required as a cofactor for proteins involved in metabolic processes like photosynthesis and respiration. Iron limitation is a problem for plants on up to 30% of soils worldwide, and iron-deficient plants often display interveinal chlorosis. Due to limited solubility of iron in many soils, plants must first mobilize it in the rhizosphere before transporting it into the plant. Two distinct mechanisms have evolved for plants to acquire iron from the soil: Strategy I and Strategy II responses. 33 Parsu CFAMS 33 Parsu CFAMS 34 REFERENCES: Parsu CFAMS Sangwan, S. (2021, January 15). Nutrient uptake [Slide show]. SlideShare. https://www.slideshare.net/slideshow/nutrient-uptake/241401572 Earth Science Classroom. (2023, June 29). Soil, Roots & Nutrient Uptake [Video]. YouTube. https://www.youtube.com/watch?v=DchDGwUM6mk Plant-Soil interactions: Nutrient uptake | Learn Science at Scitable. (n.d.). https://www.nature.com/scitable/knowledge/library/plant-soil-interactions- nutrient-uptake-105289112/ 35  Parsu CFAMS Q&A Session Open for Questions and Discussion 36 Parsu CFAMS Thank You John Paul Armenion Mark Arvin Luna Jessica Tatualla Jessica Tatualla