Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a key backbone
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a key backbone" is correct and usable in written English.
It can be used to describe something that is essential or fundamental to a system, structure, or concept. Example: "The new software serves as a key backbone for our data management system, ensuring efficiency and reliability."
✓ Grammatically correct
Science
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
Armed with the knowledge that secondary metabolite biosynthetic genes often occur in clusters with a key backbone gene.
Science
The combined loss of gliT and exposure to exogenous gliotoxin resulted in attenuated expression of the biosynthetic genes for the secondary metabolites: fumitremorgin B, fumagillin, and pseurotin A. Secondary metabolite production in fungi is generally dependant on the presence of a key backbone enzyme, namely a PKS or a NRPS [ 47].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
In the last snapshot of this trajectory (Figure 3B), all key backbone hydrogen-bonds in the structure remain intact.
Science
A key conceptual backbone is a detailed "theory of change" to apply appropriate evidence for each operational component.
The widened dimer interface causes disruption of key backbone contacts between the Cys-bearing Zn2+ binding hairpin fragment (residues 95 102) that includes contacts between C101 and N468.
Science
Based on the structure of the XerC/D-like clade, we infer that the helix-1 and helix-3 of the ALOG domains, which are orthogonally positioned with respect to each other, are likely to make key backbone and base contacts in the major groove.
Science
Trekking and mountaineering are the key backbones of the industry - the major foreign exchange earner for Nepal.
News & Media
A key feature of the backbone interface developed is its open architecture.
Science
In data it owns a fine Internet backbone, a key reason WorldCom wanted to buy it.
News & Media
The primary amine along the chitosan backbone plays a key role in biomedical applications.
Molecular modeling simulation revealed that, the designed compounds docked well into p110α active site and their complexes are stabilized by a key H-bonding with the backbone amide of Val851 as well as other favorable hydrophobic and H-bond interactions with different amino acids within the enzyme active site.
Expert writing Tips
Best practice
When using "a key backbone", ensure the context clearly establishes what is being supported or structured. This phrase is most effective when the supporting role is evident.
Common error
Avoid stacking metaphors. Using "a key backbone" within an already complex metaphorical structure can obscure your meaning. Opt for more direct language for clarity.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a key backbone" functions as a noun phrase, typically serving as a subject complement or object in a sentence. It identifies something as essential and supportive, much like a backbone, and as Ludwig AI also suggests. The examples from Ludwig show this in contexts ranging from industry to biological processes.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "a key backbone" is a phrase used to describe something that is both essential and foundational. As Ludwig AI states, it's grammatically correct and suitable for describing essential elements in a system. While it's considered a rare phrase, primarily appearing in scientific and news contexts, its effectiveness lies in conveying the indispensable and supportive nature of the subject. When employing this phrase, it's advisable to ensure clarity in its supporting role and avoid overuse of metaphorical language. Consider alternatives like "a crucial foundation" or "an essential support" for different nuances.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a crucial foundation
Replaces 'key' with 'crucial' and 'backbone' with 'foundation', emphasizing importance and stability.
an essential support
Substitutes 'key' with 'essential' and 'backbone' with 'support', highlighting the necessary assistance provided.
a fundamental element
Replaces the metaphor 'backbone' with the more literal 'element', clarifying its role as a basic component.
a pivotal component
Changes 'key' to 'pivotal', stressing the turning-point nature of the component.
a central pillar
Employs the 'pillar' metaphor to convey the idea of something structurally important and holding things up.
an integral part
Uses 'integral' to highlight the necessity of the part within the whole.
a cornerstone
Uses the metaphor of a 'cornerstone' implying a basic, essential element on which everything else depends.
a primary basis
Shifts from a structural metaphor to a more abstract concept of a 'basis' or foundation.
a vital source
Highlights the importance of a resource or origin from which something originates or is sustained.
a critical infrastructure
Focuses on the underlying systems and facilities that serve as the foundation for operation or function.
FAQs
How can I use "a key backbone" in a sentence?
You can use "a key backbone" to describe something essential to a system. For instance, "The new software serves as "a key backbone" for our data management system".
What are some alternatives to "a key backbone"?
Alternatives include "a crucial foundation", "an essential support", or "a fundamental element", depending on the specific context.
When is it appropriate to use the phrase "a key backbone"?
The phrase "a key backbone" is appropriate when you want to emphasize that something is both important (key) and provides structural support (backbone) to a larger entity or concept.
Is "a key backbone" too informal for academic writing?
While "a key backbone" isn't inherently informal, consider your audience. In some academic contexts, a more literal phrase like "a fundamental element" might be preferred.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested