Resource Patches
Resource Patches - Related Videos
09:43
Patch Clamp Electrophysiology
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2023
Neuron cell membranes are populated with ion channels that control the movement of charge into and out of the cell, thereby regulating neuron firing. One extremely useful technique for investigating the biophysical properties of these channels is called patch clamp recording. In this method, neuroscientists place a polished glass micropipette against a cell and apply suction to form a high resistance seal. This process isolates a small “patch” of membrane that contains one or more ion channels.
01:02
Long-patch Base Excision Repair
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2020
Since the discovery of the two BER pathways, there has been a debate about how a cell chooses one pathway over the other and the factors determining this selection. Numerous in vitro experiments have pointed out multiple determinants for the sub-pathway selection. These are: Lesion type: Depending on the type of base damage, a specific DNA glycosylase - mono or bifunctional, is recruited to the damaged site. While the sequential action of a monofunctional glycosylase favors long patch repair...
01:13
Private Goods and Common Resources
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2025
Private Goods are products that can be purchased and consumed by an individual, and it is relatively easy to prevent others from using the same product. This is due to two defining characteristics of these goods: rivalry and excludability. Rivalry means that when one person uses or consumes the good, it reduces the ability of others to use it. For instance, if someone buys and eats a loaf of bread, no one else can eat that same loaf. Excludability refers to the idea that individuals can be...
06:02
Isolation of Lymphocytes from a Mouse Peyer's Patch
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2025
In this video, we demonstrate the isolation of lymphocytes from a harvested mouse Peyer's patch. The isolated lymphocytes can be used for further analysis.
11:01
A Computer-assisted Multi-electrode Patch-clamp System
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Cited by 49 •
2013
Multi-electrode patch-clamp recordings constitute a complex task. Here we show how, by automating of many of the experimental steps, it is possible to accelerate the process leading to qualitative improvement in performance and number of recordings.
FAQs
These characteristics shape whether organisms encounter resources, remain in an area, or move elsewhere. Higher-quality or more persistent patches may support longer exploitation, while smaller, widely separated, or short-lived patches can increase the importance of searching and movement. Examining these variables helps explain variation in foraging decisions, habitat selection, and the spatial organization of animal activity.
Time spent searching can reveal additional opportunities, whereas time spent exploiting a known patch allows an organism to use resources already located. The balance between these activities changes with resource availability and spatial variation. Studying this allocation shows how organisms respond behaviorally to heterogeneous habitats rather than treating the broader habitat as uniformly valuable.
Differences among patches can separate species in space or influence how each species uses available resources. Species may respond differently to patch quality, distribution, or persistence, changing where they forage and how long they remain. These patterns help connect individual resource-use decisions with competition, community structure, and the possibility that multiple species coexist across a heterogeneous landscape.
A study should characterize patch quality, size, distribution, and persistence, then relate those properties to organismal movement, foraging decisions, time spent searching or exploiting, and habitat selection. Comparing these relationships across areas can reveal how environmental variation affects populations and communities. The same framework also supports analysis of changing resource availability over time.
Patch-based analysis helps show how the arrangement and persistence of necessary resources may influence movement and habitat use within fragmented landscapes. Conservation planning can therefore consider more than the presence of habitat alone by examining where resources occur, how they are distributed, and whether they persist. This perspective supports evaluation of how environmental change may alter population responses.
Researchers can use patch variation to examine population responses to environmental heterogeneity, including changes in movement, foraging, habitat selection, and resource-use patterns. At broader scales, the approach contributes to studies of community structure and species coexistence. It is also useful for evaluating how changing resource availability may reshape ecological relationships across a landscape.