Footprint Identification Technique
Footprint Identification Technique - Related Videos
09:47
Spotting Cheetahs: Identifying Individuals by Their Footprints
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Cited by 26 •
2016
The cheetah (Acinonyx jubatus) is an iconic, endangered species, but conservation efforts are challenged by habitat shrinkage and conflict with commercial farmers. The footprint identification technique, a robust, accurate and cost-effective image classification system, is a new approach to monitoring cheetahs.
02:49
Assessing Gait by Footprint Analysis: A Method to Test Motor Coordination in Mice
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2023
In this video, we describe the footprint testing procedure and related analysis to assess gait and motor coordination in mice.
13:41
Monitoring Equilibrium Changes in RNA Structure by 'Peroxidative' and 'Oxidative' Hydroxyl Radical Footprinting
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Cited by 4 •
2011
This protocol describes how to quantify the Mg(II)-dependent formation of RNA tertiary structure by two methods of hydroxyl radical footprinting.
09:26
Identification of Footprints of RNA:Protein Complexes via RNA Immunoprecipitation in Tandem Followed by Sequencing (RIPiT-Seq)
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Cited by 3 •
2019
Here, we present a protocol to enrich endogenous RNA binding sites or "footprints" of RNA:protein (RNP) complexes from mammalian cells. This approach involves two immunoprecipitations of RNP subunits and is therefore dubbed RNA immunoprecipitation in tandem (RIPiT).
08:24
Imaging Molecular Adhesion in Cell Rolling by Adhesion Footprint Assay
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Cited by 1 •
2021
This protocol presents the experimental procedures to perform the adhesion footprint assay to image the adhesion events during fast cell rolling adhesion.
FAQs
Substrate and track condition determine how accurately a footprint preserves identifying features. Soil, sand, or other surfaces may retain toe arrangement, heel or pad structure, dimensions, and overall pattern with different levels of clarity. Investigators must therefore consider whether a track is well preserved before treating its comparison with reference specimens as reliable evidence.
Identification relies on several features considered together rather than on size alone. Toe arrangement, heel or pad structure, track dimensions, stride, and gait can provide complementary evidence about the animal source. Comparing this combination with reference specimens helps investigators distinguish tracks that might appear similar when viewed only by shape or overall length.
A single footprint provides limited information about animal presence or movement. Repeated observations can strengthen interpretations by showing whether tracks recur in an area, while habitat data places those observations within the surrounding environmental context. Together, these records can help reveal movement patterns and indicate changes in how animals use an ecosystem over time.
Investigators first document tracks in the field, using photography, measurements, or casts to preserve their observable characteristics. They record features such as shape, dimensions, toe arrangement, heel or pad structure, stride, and gait, while noting substrate and track condition. The resulting documentation can then be compared with reference specimens during laboratory analysis.
Laboratory work organizes the recorded evidence for comparison with reference specimens. Investigators examine the documented shape, dimensions, and pattern alongside structural features such as toes and heel or pad areas, then consider stride and gait where available. This procedure supports a more consistent assessment of the likely animal source than relying on an isolated field impression.
The technique is useful for wildlife surveys, species distribution studies, and monitoring animals that are elusive or nocturnal. Because investigators can collect evidence without directly capturing the animal, it supports observation under conditions where direct encounters are difficult. Repeated track records combined with habitat information can also contribute to assessments of ecosystem use and movement.