Gene Summary

acetylserotonin O-methyltransferase

IMPC Data Collections

IMPC Phenotype Summary

Not Significant
Not tested


The IMPC applies a panel of phenotyping screens to characterise single-gene knockout mice by comparison to wild types. Click on the different tabs to visualise significant phenotypes identified by the IMPC, as well as all data that was measured.

Select physiological systems to view:
Viewing: all phenotypes
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Viewing: all phenotypes

lacZ Expression

Expression data not available

Associated Images

Images submitted by IMPC centres for a selection of procedures. Each set of images is available to view in our image comparator.


XRay Images Skull Dorso Ventral Orientation

10 Images


XRay Images Whole Body Lateral Orientation

10 Images


XRay Images Whole Body Dorso Ventral

10 Images


XRay Images Skull Lateral Orientation

10 Images


XRay Images Forepaw

10 Images

Auditory Brain Stem Response

Click-evoked + 6 to 30kHz tone waveforms (pdf format)

8 Images

Human diseases caused by Asmt mutations

The analysis uses data from IMPC, along with published data on other mouse mutants, in comparison to human disease reports in OMIM, Orphanet, and DECIPHER.

Phenotype comparisons summarize the similarity of mouse phenotypes with human disease phenotypes.

No human diseases associated to this gene by orthology or annotation.

The table below shows human diseases predicted to be associated to Asmt by phenotypic similarity.

Disease Similarity of
Matching phenotypes Source
X-Linked Intellectual Disability-Macrocephaly-Macroorchidism Syndrome
Macroorchidism ORPHA:85320
Prolactin Deficiency With Obesity And Enlarged Testes
Macroorchidism, Reduced circulating prolactin concentration OMIM:264120
Testes, Rudimentary
Decreased testicular size, Hypoplastic male external genitalia, Hypergonadotropic hypogonadism OMIM:273150
Intellectual Developmental Disorder, X-Linked 14
Macroorchidism OMIM:300062
Intellectual Developmental Disorder, X-Linked 2
Macroorchidism OMIM:300428
Mental retardation, x-linked, syndromic, Turner type
Macroorchidism OMIM:300706
Spastic Paraplegia-Precocious Puberty Syndrome
Hyperplasia of the Leydig cells, Precocious puberty in males ORPHA:2826
Familial Peripheral Male-Limited Precocious Puberty
Precocious puberty, Macroorchidism, Long penis, Oligozoospermia ORPHA:3000
Testicular Regression Syndrome
Abnormal morphology of female internal genitalia, Decreased testicular size, Agonadism, Male pseu... ORPHA:983
46,Xx Testicular Difference Of Sex Development
Decreased testicular size, Male hypogonadism, Ambiguous genitalia, Polycystic ovaries ORPHA:393
Male Infertility With Azoospermia Or Oligozoospermia Due To Single Gene Mutation
Obstructive azoospermia, Decreased testicular size, Non-obstructive azoospermia, Azoospermia, Abn... ORPHA:399805
Precocious Puberty, Male-Limited
Decreased testicular size, Precocious puberty in males OMIM:176410
Partington Syndrome
Macroorchidism ORPHA:94083
X-Linked Intellectual Disability-Acromegaly-Hyperactivity Syndrome
Macroorchidism, Elevated circulating growth hormone concentration ORPHA:85327
Intellectual Developmental Disorder, X-Linked, Syndromic 32
Macroorchidism OMIM:300886
Intellectual Developmental Disorder, X-Linked, Syndromic, Shashi Type
Macroorchidism OMIM:300238
Macroorchidism, Long penis ORPHA:2477
Male Infertility With Teratozoospermia Due To Single Gene Mutation
Decreased testicular size, Non-obstructive azoospermia, Globozoospermia, Abnormal spermatogenesis... ORPHA:399808
Functioning Gonadotropic Adenoma
Pituitary gonadotropic cell adenoma, Decreased response to growth hormone stimulation test, Panhy... ORPHA:91348
Isolated Follicle Stimulating Hormone Deficiency
Male hypogonadism, Decreased testicular size, Azoospermia, Gonadotropin deficiency, Hypogonadotro... ORPHA:52901
Non-Functioning Pituitary Adenoma
Secondary growth hormone deficiency, Male hypogonadism, Adrenocorticotropin deficient adrenal ins... ORPHA:91349
17Q11.2 Microduplication Syndrome
Macroorchidism ORPHA:139474
X-Linked Intellectual Disability, Shashi Type
Macroorchidism ORPHA:85286
Fragile X Syndrome
Macroorchidism, postpubertal, Congenital macroorchidism OMIM:300624
47,Xyy Syndrome
Varicocele, Azoospermia, Cryptorchidism, Micropenis, Oligozoospermia, Increased circulating gonad... ORPHA:8
Atkin-Flaitz Syndrome
Macroorchidism ORPHA:1193
Intellectual Developmental Disorder, X-Linked 21
Macroorchidism OMIM:300143
X-Linked Intellectual Disability-Psychosis-Macroorchidism Syndrome
Macroorchidism ORPHA:3077
Clark-Baraitser syndrome
Macroorchidism OMIM:300602
46,Xy Sex Reversal 10
Sex reversal, Small scrotum, Perineal hypospadias, Bifid scrotum, Gonadal dysgenesis, Decreased t... OMIM:616425
Xp22.13P22.2 Duplication Syndrome
Macroorchidism, Polycystic ovaries ORPHA:284180
Lujan-Fryns Syndrome
Macroorchidism ORPHA:776
Mccune-Albright Syndrome
Precocious puberty, Increased circulating cortisol level, Increased circulating prolactin concent... ORPHA:562
Fragile X Syndrome
Macroorchidism ORPHA:908
Testicular Agenesis
Absent external genitalia, Hypoplasia of the uterus, Vanishing testis, Ambiguous genitalia, Micro... ORPHA:325124
Intellectual Developmental Disorder, X-Linked, Syndromic 13
Male hypogonadism, Macroorchidism OMIM:300055
Congenital Lipoid Adrenal Hyperplasia Due To Star Deficency
Abnormal female external genitalia morphology, Endometrial carcinoma, Adrenal hyperplasia, Decrea... ORPHA:90790
Isosexual precocious puberty, Macroorchidism ORPHA:180229
Isolated Thyroid-Stimulating Hormone Deficiency
Increased circulating prolactin concentration, Goiter, Decreased circulating T4 concentration, Re... ORPHA:90674
X-Linked Intellectual Disability-Cardiomegaly-Congestive Heart Failure Syndrome
Macroorchidism ORPHA:324410
Trisomy 20P
Macroorchidism, Hypospadias, Cryptorchidism ORPHA:261318
Chromosome 17Q11.2 Duplication Syndrome, 1.4-Mb
Macroorchidism, Hypospadias OMIM:618874
Intellectual Developmental Disorder, X-Linked, Syndromic, Lujan-Fryns Type
Macroorchidism OMIM:309520
Aromatase Deficiency
Ambiguous genitalia, female, Female pseudohermaphroditism, Cryptorchidism, Enlarged polycystic ov... ORPHA:91
Carney Complex
Euthyroid multinodular goiter, Precocious puberty, Leydig cell neoplasia, Sertoli cell neoplasm, ... ORPHA:1359
Tessadori-Bicknell-Van Haaften Neurodevelopmental Syndrome 3
Precocious puberty, Macroorchidism OMIM:619950
Proteus Syndrome
Long penis, Thymus hyperplasia, Enlarged polycystic ovaries, Testicular neoplasm, Macroorchidism,... ORPHA:744
Macroorchidism ORPHA:93
Macroorchidism OMIM:208400


Summary table of phenotypes displayed during the Histopathology procedure which are considered significant. Full histopathology data table, including submitted images, can be accessed by clicking any row in this table.

There is no histopathology data for Asmt

IMPC related publications

The table below lists publications which used either products generated by the IMPC or data produced by the phenotyping efforts of the IMPC. These publications have also been associated to Asmt.

No publications found that use IMPC mice or data for Asmt.

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MGI Allele Allele Type Produced
Asmtem1(IMPC)J Exon Deletion Mice

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