{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T23:51:25Z","timestamp":1787010685979,"version":"build-2736575974"},"reference-count":47,"publisher":"Cold Spring Harbor Laboratory","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Genome Res."],"published-print":{"date-parts":[[2011,12]]},"abstract":"<jats:p>\n                    The biological basis for the development of the cerebro-cerebellar structures required for posture and gait in humans is poorly understood. We investigated a large consanguineous family from Turkey exhibiting an extremely rare phenotype associated with quadrupedal locomotion, mental retardation, and cerebro-cerebellar hypoplasia, linked to a 7.1-Mb region of homozygosity on chromosome 17p13.1\u201313.3. Diffusion weighted imaging and fiber tractography of the patients' brains revealed morphological abnormalities in the cerebellum and corpus callosum, in particular atrophy of superior, middle, and inferior peduncles of the cerebellum. Structural magnetic resonance imaging showed additional morphometric abnormalities in several cortical areas, including the corpus callosum, precentral gyrus, and Brodmann areas BA6, BA44, and BA45. Targeted sequencing of the entire homozygous region in three affected individuals and two obligate carriers uncovered a private missense mutation, WDR81 p.P856L, which cosegregated with the condition in the extended family. The mutation lies in a highly conserved region of WDR81, flanked by an N-terminal BEACH domain and C-terminal WD40 beta-propeller domains. WDR81 is predicted to be a transmembrane protein. It is highly expressed in the cerebellum and corpus callosum, in particular in the Purkinje cell layer of the cerebellum.\n                    <jats:italic>WDR81<\/jats:italic>\n                    represents the third gene, after\n                    <jats:italic>VLDLR<\/jats:italic>\n                    and\n                    <jats:italic>CA8<\/jats:italic>\n                    , implicated in quadrupedal locomotion in humans.\n                  <\/jats:p>","DOI":"10.1101\/gr.126110.111","type":"journal-article","created":{"date-parts":[[2011,9,1]],"date-time":"2011-09-01T20:58:45Z","timestamp":1314910725000},"page":"1995-2003","source":"Crossref","is-referenced-by-count":77,"title":["Homozygosity mapping and targeted genomic sequencing reveal the gene responsible for cerebellar hypoplasia and quadrupedal locomotion in a consanguineous kindred"],"prefix":"10.1101","volume":"21","author":[{"given":"Suleyman","family":"Gulsuner","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ayse Begum","family":"Tekinay","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katja","family":"Doerschner","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huseyin","family":"Boyaci","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kaya","family":"Bilguvar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hilal","family":"Unal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aslihan","family":"Ors","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"O. 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