TABLE 1.
Comparative Distribution of Androgen Receptor (AR), Aromatase (Estrogen Synthase), and Estrogen Receptor alpha (ERα) in the Brain of the Plainfin Midshipman, Porichthys notatus
| Brain area | AR mRNA | Aromatase mRNA/ protein1† |
ERα mRNA2 |
|---|---|---|---|
| Ventral telencephalon | |||
| Olfactory bulb (OB) | − | +++ | + |
| Ventral nucleus (Vv) AUDITORY | − | +++ | + |
| Supracommissural nucleus (Vs) AUDITORY, VOCAL | +++ | +++ | + |
| Postcommissural nucleus (Vp) AUDITORY | ++ | +++ | + |
| Dorsal nucleus (Vd) | +++ | +++ | − |
| Intermediate nucleus (Vi) | +++ | +++ | − |
| Dorsal telencephalon | |||
| Central zone (Dc) | ++ | ++ | + |
| Central medial division of medial zone (Dm-cm) | +++ | ++ | ++ |
| Posterior division of medial zone (Dm-p) AUDITORY, VOCAL | + | ++ | + |
| Dorsal posterior zone (Dp) | − | ++ | + |
| Preoptic area | |||
| Anterior parvocellular (PPa) AUDITORY, VOCAL | +++ | +++ | +++ |
| Posterior parvocellular (PPp) AUDITORY, VOCAL | ++ | +++ | − |
| Magnocellular (PM/PMg) | +++ | +++ | ++ |
| Ventral hypothalamus | |||
| Anterior tuberal (AT) AUDITORY, VOCAL | ++ | +++ | ++ |
| Ventral tuberal (vT) AUDITORY, VOCAL | ++ | +++ | − |
| Periventricular (Hv/Hd) | +++ | +++ | +++ |
| Thalamus | |||
| Central posterior nucleus (CP) AUDITORY | +*† | +++ | + |
| Dorsal posterior (DPo) | +*† | +++ | + |
| Nucleus preglomerulosus (PGl/m) AUDITORY | + | + | − |
| Periventricular nucleus of posterior tuberal (TPp) | ++*† | +++ | + |
| Posterior tuberal nucleus (TP) | +++ | +++ | − |
| Pineal | − | ++ | +++ |
| Brainstem | |||
| Periacqueductal gray (PAG) VOCAL | + | +++ | − |
| Mesencephalic tectum (TeM) | + | − | + |
| Medial longitudinal fasiculus (MLF) (peri) | +*† | ++ | − |
| Nucleus of medial longitudinal fasiculus (nMLF) | + | +++ | + |
| Periventricular cell layer of TS (Pe) AUDITORY | ++ | − | − |
| Griseum central (GC) | +*† | +++ | − |
| Medial octavolateralis nucleus (MED) LATERAL LINE | + | − | − |
| Vagal motor nucleus (Xm) | +*† | + | − |
| Vocal prepacemaker (VPP) VOCAL | ++ | − | − |
| Vocal motor nucleus (VMN) VOCAL | ++*† | +++ | + |
| Peripheral tissues | |||
| Saccular epithelium (inner ear) AUDITORY | + | ++ | + |
| Vocal muscle VOCAL | ++ | − | − |
2
Forlano et al. (2005). See Discussion for auditory, vocal ,and lateral line references.
†
Glial expression
*†
similar pattern to glial aromatase expression; +++, ++, + = relative levels of hybridization signal.